APA (7th ed.) Citation

Hailey, O. (1970). Who's happy now?: A comedy in three acts. Dramatists Play Service.

Chicago Style (17th ed.) Citation

Hailey, Oliver. Who's Happy Now?: A Comedy in Three Acts. New York: Dramatists Play Service, 1970.

MLA (9th ed.) Citation

Hailey, Oliver. Who's Happy Now?: A Comedy in Three Acts. Dramatists Play Service, 1970.