APA (7th ed.) Citation

American Ornithologists' Union, Chapman, F. M., & Palmer, T. S. (1933). Fifty years' progress of American ornithology, 1883-1933 ((Revised edition).). [publisher not identified].

Chicago Style (17th ed.) Citation

American Ornithologists' Union, Frank M. Chapman, and T. S. Palmer. Fifty Years' Progress of American Ornithology, 1883-1933. (Revised edition). Lancaster, Pa.: [publisher not identified], 1933.

MLA (9th ed.) Citation

American Ornithologists' Union, et al. Fifty Years' Progress of American Ornithology, 1883-1933. (Revised edition). [publisher not identified], 1933.