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.