APA (7th ed.) Citation

Koestler, A. (1973). The call girls: A tragi-comedy ([1st American ed.].). Random House.

Chicago Style (17th ed.) Citation

Koestler, Arthur. The Call Girls: A Tragi-comedy. [1st American ed.]. New York: Random House, 1973.

MLA (8th ed.) Citation

Koestler, Arthur. The Call Girls: A Tragi-comedy. [1st American ed.]. Random House, 1973.