APA (7th ed.) Citation

Steinbeck, E. A., & Wallsten, R. (1979). Steinbeck: A life in letters. Pan Books in association with Heinemann.

Chicago Style (17th ed.) Citation

Steinbeck, Elaine A., and Robert Wallsten. Steinbeck: A Life in Letters. London: Pan Books in association with Heinemann, 1979.

MLA (9th ed.) Citation

Steinbeck, Elaine A., and Robert Wallsten. Steinbeck: A Life in Letters. Pan Books in association with Heinemann, 1979.