APA (7th ed.) Citation

Oberholser, H. C. (1918). Notes on North American Birds. VI. Zenodo.

Chicago Style (17th ed.) Citation

Oberholser, Harry C. Notes on North American Birds. VI. Zenodo, 1918.

MLA (9th ed.) Citation

Oberholser, Harry C. Notes on North American Birds. VI. Zenodo, 1918.

Warning: These citations may not always be 100% accurate.