APA (7th ed.) Citation

Betjeman, J. (1944). John Piper. Penguin books.

Chicago Style (17th ed.) Citation

Betjeman, John. John Piper. London: Penguin books, 1944.

MLA (9th ed.) Citation

Betjeman, John. John Piper. Penguin books, 1944.

Warning: These citations may not always be 100% accurate.