Results of a biological survey of the San Francisco mountain region and desert of the Little Colorado, Arizona. 1. General results, with special reference to the Geographical and vertical distribution of species. 2. Grand Cañon of the Colorado. 3. Annotated list of mammals, with descriptions of new species. 4. Annotated list of birds

Chicago citation style
Merriam, C. Hart (Clinton Hart), 1855-1942. Results of a biological survey of the San Francisco mountain region and desert of the Little Colorado, Arizona. 1. General results, with special reference to the Geographical and vertical distribution of species. 2. Grand Cañon of the Colorado. 3. Annotated list of mammals, with descriptions of new species. 4. Annotated list of birds. 1890. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001667571. (Accessed October 16, 2018.)
APA citation style
Merriam, C. Hart (Clinton Hart), 1855-1942, (1890) Results of a biological survey of the San Francisco mountain region and desert of the Little Colorado, Arizona. 1. General results, with special reference to the Geographical and vertical distribution of species. 2. Grand Cañon of the Colorado. 3. Annotated list of mammals, with descriptions of new species. 4. Annotated list of birds. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001667571
MLA citation style
Merriam, C. Hart (Clinton Hart), 1855-1942. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001667571>.
Note: These citations are programmatically generated and may be incomplete.