Unidirectional spread of secondary sexual plumage traits across an avian hybrid zone

Chicago citation style
Braun, Michael J, Parsons, T. J, Olson, Storrs L. Unidirectional spread of secondary sexual plumage traits across an avian hybrid zone. 1993. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_73633&repo=DPLA. (Accessed November 17, 2018.)
APA citation style
Braun, Michael J, Parsons, T. J, Olson, Storrs L, (1993) Unidirectional spread of secondary sexual plumage traits across an avian hybrid zone. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_73633&repo=DPLA
MLA citation style
Braun, Michael J, Parsons, T. J, Olson, Storrs L. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_73633&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.