Gaya APA

Curtis, W, A, M. (1947). Textbook of general zoölogy, 4th ed. Oorspr.uitg.1927. . New York enz: Willey enz.

Gaya MLA

Curtis, W.C.,, And, M.J.Guthrie.. "Textbook of general zoölogy, 4th ed. Oorspr.uitg.1927. ". New York enz: Willey enz, 1947. Buku.