Cita APA (7a ed.)

Maugham, W. S. (1956). Ashenden or the British agent. Heinemann.

Cita Chicago Style (17a ed.)

Maugham, W. Somerset. Ashenden or the British Agent. Melbourne [etc.]: Heinemann, 1956.

Cita MLA (9a ed.)

Maugham, W. Somerset. Ashenden or the British Agent. Heinemann, 1956.