APA (7th ed.) Citation

Costain, M. (2001). The secret world of spies. ETA Cuisenaire.

Chicago Style (17th ed.) Citation

Costain, Meredith. The Secret World of Spies. Singapore: ETA Cuisenaire, 2001.

MLA (9th ed.) Citation

Costain, Meredith. The Secret World of Spies. ETA Cuisenaire, 2001.

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