Cita APA (7th ed.)
Briscoe, D. S. (1982). When the going gets tough. Regal Books.
Cita Chicago (17th ed.)
Briscoe, D. Stuart. When the Going Gets Tough. Ventura, CA, U.S.A.: Regal Books, 1982.
Cita MLA (9th ed.)
Briscoe, D. Stuart. When the Going Gets Tough. Regal Books, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.