APA (7th ed.) Citation

Steinbeck, E. (1989). A Life in Letters / Elaine Steinbeck. Pinguin Books.

Chicago Style (17th ed.) Citation

Steinbeck, Elaine. A Life in Letters / Elaine Steinbeck. Pinguin Books, 1989.

MLA (8th ed.) Citation

Steinbeck, Elaine. A Life in Letters / Elaine Steinbeck. Pinguin Books, 1989.

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