APA (7th ed.) Citation

Romanes, G. J. (1886). Animal intelligence (4th ed.). Kegan Paul, Trench.

Chicago Style (17th ed.) Citation

Romanes, George John. Animal Intelligence. 4th ed. London: Kegan Paul, Trench, 1886.

MLA (9th ed.) Citation

Romanes, George John. Animal Intelligence. 4th ed. Kegan Paul, Trench, 1886.

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