APA (7th ed.) Citation

Cottrell, L. (1957). A Forgotten Empire (= Hittites).

Chicago Style (17th ed.) Citation

Cottrell, Leonard. A Forgotten Empire (= Hittites). London, 1957.

MLA (8th ed.) Citation

Cottrell, Leonard. A Forgotten Empire (= Hittites). 1957.

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