APA (7th ed.) Citation

Boulenger, G. A. (1897). The Tailless Batrachians of Europe. Bay Society.

Chicago Style (17th ed.) Citation

Boulenger, G. A. The Tailless Batrachians of Europe. London: Bay Society, 1897.

MLA (9th ed.) Citation

Boulenger, G. A. The Tailless Batrachians of Europe. Bay Society, 1897.

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