Cita APA (7a ed.)

Crompton, R., & Henry, T. (1977). William, the bold. Armada Books.

Cita Chicago Style (17a ed.)

Crompton, Richmal, y Thomas Henry. William, the Bold. London: Armada Books, 1977.

Cita MLA (9a ed.)

Crompton, Richmal, y Thomas Henry. William, the Bold. Armada Books, 1977.