Cita APA (7th ed.)
White, P. (1973). Donkey wisdon. Moody press.
Cita Chicago (17th ed.)
White, Paul. Donkey Wisdon. Great Britain: Moody press, 1973.
Cita MLA (9th ed.)
White, Paul. Donkey Wisdon. Moody press, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.