APA (7th ed.) Citation

Johnson, S., Dawson, R., & Haslam, G. W. (1993). The Great Central Valley: California's heartland : a photographic project. University of California Press in association with the California Academy of Sciences.

Chicago Style (17th ed.) Citation

Johnson, Stephen, Robert Dawson, and Gerald W. Haslam. The Great Central Valley: California's Heartland : A Photographic Project. Berkeley: University of California Press in association with the California Academy of Sciences, 1993.

MLA (9th ed.) Citation

Johnson, Stephen, et al. The Great Central Valley: California's Heartland : A Photographic Project. University of California Press in association with the California Academy of Sciences, 1993.