APA (7th ed.) Citation

Romanes, G. J., & Robinson, D. N. (1977). Animal intelligence. University Publications of America.

Chicago Style (17th ed.) Citation

Romanes, George John, and Daniel N. Robinson. Animal Intelligence. Washington, D.C.: University Publications of America, 1977.

MLA (9th ed.) Citation

Romanes, George John, and Daniel N. Robinson. Animal Intelligence. University Publications of America, 1977.