APA (7th ed.) Citation

Delacour, J., & Mayr, E. (1946). Supplementary Notes on the Family Anatidae. Zenodo.

Chicago Style (17th ed.) Citation

Delacour, Jean, and Ernst Mayr. Supplementary Notes on the Family Anatidae. Zenodo, 1946.

MLA (9th ed.) Citation

Delacour, Jean, and Ernst Mayr. Supplementary Notes on the Family Anatidae. Zenodo, 1946.

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