Cita APA (7a ed.)

Sisman, R. (1998). Perfect strangers. Penguin Books.

Cita Chicago Style (17a ed.)

Sisman, Robyn. Perfect Strangers. London: Penguin Books, 1998.

Cita MLA (9a ed.)

Sisman, Robyn. Perfect Strangers. Penguin Books, 1998.