APA
California Water Resources Center, . (19). Contribution / California Water Resources Center, University of California. Davis, Calif: .
Chicago
California Water Resources Center, . 19. Contribution / California Water Resources Center, University of California. Davis, Calif: .
Harvard
California Water Resources Center, . (19). Contribution / California Water Resources Center, University of California. Davis, Calif: .
MLA
California Water Resources Center, . Contribution / California Water Resources Center, University of California. Davis, Calif: . 19.