Cita APA (7th ed.)
Barrett, E. (1974). Rules, who needs them? G/L Regal Books.
Cita Chicago (17th ed.)
Barrett, Ethel. Rules, Who Needs Them? Glendale, Calif.: G/L Regal Books, 1974.
Cita MLA (9th ed.)
Barrett, Ethel. Rules, Who Needs Them? G/L Regal Books, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.