APA (7th ed.) Citation

Gedda, L. (1961). Twins in history and science. Thomas.

Chicago Style (17th ed.) Citation

Gedda, Luigi. Twins in History and Science. Springfield, Ill: Thomas, 1961.

MLA (9th ed.) Citation

Gedda, Luigi. Twins in History and Science. Thomas, 1961.

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