Cita APA (7th ed.)

Forster, E. (1972). Where angels fear to tread. Penguin Books.

Cita Chicago (17th ed.)

Forster, E.M. Where Angels Fear to Tread. Harmondsworth: Penguin Books, 1972.

Cita MLA (9th ed.)

Forster, E.M. Where Angels Fear to Tread. Penguin Books, 1972.