Cita APA (7a ed.)

Wesker, A. (1976). The Wesker trilogy (11th repr.). Penguin Books.

Cita Chicago Style (17a ed.)

Wesker, Arnold. The Wesker Trilogy. 11th repr. Harmondsworth: Penguin Books, 1976.

Cita MLA (9a ed.)

Wesker, Arnold. The Wesker Trilogy. 11th repr. Penguin Books, 1976.