APA (7th ed.) Zitazioa

Metcalf, W. (1959). Native trees of the San Francisco Bay region. University of California Press.

Chicago Style (17th ed.) Zitazioa

Metcalf, Woodbridge. Native Trees of the San Francisco Bay Region. Berkeley: University of California Press, 1959.

MLA (9th ed.) Zitazioa

Metcalf, Woodbridge. Native Trees of the San Francisco Bay Region. University of California Press, 1959.