Citazione APA

Woollacott, R. M., & Zimmer, R. L. (1977). Biology of bryozoans. Academic Press.

Stile di citazione Chicago

Woollacott, Robert M., e Russel L. Zimmer. Biology of Bryozoans. New York: Academic Press, 1977.

Citazione MLA

Woollacott, Robert M., e Russel L. Zimmer. Biology of Bryozoans. Academic Press, 1977.