APA (7th ed.) Citation

Tinbergen, N., & Falkus, H. (1970). Signals for survival: Drawings by Eric Ennion. Clarendon Pr.

Chicago Style (17th ed.) Citation

Tinbergen, Nikolaas, and Hugh Falkus. Signals for Survival: Drawings by Eric Ennion. Oxford: Clarendon Pr, 1970.

MLA (9th ed.) Citation

Tinbergen, Nikolaas, and Hugh Falkus. Signals for Survival: Drawings by Eric Ennion. Clarendon Pr, 1970.

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