APA (7th ed.) Citation

Swarth, H. S. (1912). Differences Due to Sex in the Black Swift. Zenodo.

Chicago Style (17th ed.) Citation

Swarth, Harry S. Differences Due to Sex in the Black Swift. Zenodo, 1912.

MLA (9th ed.) Citation

Swarth, Harry S. Differences Due to Sex in the Black Swift. Zenodo, 1912.

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