Castillo Vardaro, Jessica A., Epps, Clinton W., Frable, Benjamin W., Ray, Chris, and Chiang, Tzen-Yuh. Identification of a contact zone and hybridization for two subspecies of the American pika (Ochotona princeps) within a single protected area. Retrieved from https://par.nsf.gov/biblio/10080329. PLOS ONE 13.7 Web. doi:10.1371/journal.pone.0199032.

Castillo Vardaro, Jessica A., Epps, Clinton W., Frable, Benjamin W., Ray, Chris, & Chiang, Tzen-Yuh. Identification of a contact zone and hybridization for two subspecies of the American pika (Ochotona princeps) within a single protected area. PLOS ONE, 13 (7). Retrieved from https://par.nsf.gov/biblio/10080329. https://doi.org/10.1371/journal.pone.0199032

Castillo Vardaro, Jessica A., Epps, Clinton W., Frable, Benjamin W., Ray, Chris, and Chiang, Tzen-Yuh. "Identification of a contact zone and hybridization for two subspecies of the American pika (Ochotona princeps) within a single protected area". PLOS ONE 13 (7). Country unknown/Code not available. https://doi.org/10.1371/journal.pone.0199032. https://par.nsf.gov/biblio/10080329.

@article{osti_10080329,
place = {Country unknown/Code not available}, title = {Identification of a contact zone and hybridization for two subspecies of the American pika (Ochotona princeps) within a single protected area}, url = {https://par.nsf.gov/biblio/10080329}, DOI = {10.1371/journal.pone.0199032}, abstractNote = {}, journal = {PLOS ONE}, volume = {13}, number = {7}, author = {Castillo Vardaro, Jessica A. and Epps, Clinton W. and Frable, Benjamin W. and Ray, Chris and Chiang, Tzen-Yuh}, }