APA (7th ed.) Citation

Blair, W. R., & Sanborn, E. R. (1929). In the Zoo: Representing twenty-seven years of observation and study of the animals in the New York zoological park. C. Scribner's sons.

Chicago Style (17th ed.) Citation

Blair, W. Reid, and Edwin Roswell Sanborn. In the Zoo: Representing Twenty-seven Years of Observation and Study of the Animals in the New York Zoological Park. New York, London: C. Scribner's sons, 1929.

MLA (9th ed.) Citation

Blair, W. Reid, and Edwin Roswell Sanborn. In the Zoo: Representing Twenty-seven Years of Observation and Study of the Animals in the New York Zoological Park. C. Scribner's sons, 1929.