APA (7th ed.) Citation

Boulenger, G. A. (1913). The snakes of Europe. Methuen & co., ltd..

Chicago Style (17th ed.) Citation

Boulenger, George Albert. The Snakes of Europe. London: Methuen & co., ltd., 1913.

MLA (9th ed.) Citation

Boulenger, George Albert. The Snakes of Europe. Methuen & co., ltd., 1913.