Παραπομπή APA

Young, J. . .. (1964). Life of vertebrates (2.). Oxford University Press.

Παραπομπή Chicago Style

Young, J.Z. Life of Vertebrates. 2. London: Oxford University Press, 1964.

Παραπομπή MLA

Young, J.Z. Life of Vertebrates. 2. Oxford University Press, 1964.