APA (7th ed.) Citation

Crotch, G. R. (1874). A revision of the coleopterous family Coccinellid. E.W. Janson.

Chicago Style (17th ed.) Citation

Crotch, George Robert. A Revision of the Coleopterous Family Coccinellid. London: E.W. Janson, 1874.

MLA (8th ed.) Citation

Crotch, George Robert. A Revision of the Coleopterous Family Coccinellid. E.W. Janson, 1874.

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