APA (7th ed.) Citation

Koestler, A. (1973). The call-girls: A tragi-comedy. Random House.

Chicago Style (17th ed.) Citation

Koestler, Arthur. The Call-girls: A Tragi-comedy. New York: Random House, 1973.

MLA (8th ed.) Citation

Koestler, Arthur. The Call-girls: A Tragi-comedy. Random House, 1973.

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