APA (7th ed.) Citation

Dillon, R. H., Turrill, C. B., & Clark, J. (2004). Napa Valley heyday. Book Club of California.

Chicago Style (17th ed.) Citation

Dillon, Richard H., Charles B. Turrill, and Jonathan Clark. Napa Valley Heyday. San Francisco: Book Club of California, 2004.

MLA (9th ed.) Citation

Dillon, Richard H., et al. Napa Valley Heyday. Book Club of California, 2004.