APA (7th ed.) Citation

Steinbeck, J. (1975). To a god unknown. Pan books.

Chicago Style (17th ed.) Citation

Steinbeck, John. To a God Unknown. London: Pan books, 1975.

MLA (9th ed.) Citation

Steinbeck, John. To a God Unknown. Pan books, 1975.

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