APA (7th ed.) Citation

Ribeiro, A. (1963). When the wolves howl. J. Cape.

Chicago Style (17th ed.) Citation

Ribeiro, Aquilino. When the Wolves Howl. London: J. Cape, 1963.

MLA (9th ed.) Citation

Ribeiro, Aquilino. When the Wolves Howl. J. Cape, 1963.

Warning: These citations may not always be 100% accurate.