APA (7th ed.) Citation

Isherwood, C. (1945). Goodbye to Berlin. Penguin Books.

Chicago Style (17th ed.) Citation

Isherwood, Christopher. Goodbye to Berlin. Harmondsworth ; New York: Penguin Books, 1945.

MLA (9th ed.) Citation

Isherwood, Christopher. Goodbye to Berlin. Penguin Books, 1945.