Cita APA (7th ed.)

Parkinson, C. N., & Morgan, V. (1965). Ponies' plot. Penguin Books.

Cita Chicago (17th ed.)

Parkinson, C. Northcote, i Violet Morgan. Ponies' Plot. New York: Penguin Books, 1965.

Cita MLA (9th ed.)

Parkinson, C. Northcote, i Violet Morgan. Ponies' Plot. Penguin Books, 1965.