Gaya APA

Walzer, P, D., Cushion, M, T. (2005). Pneumocystis pneumonia third edition, revised and expanded (3). New York: Marcel Dekker.

Gaya MLA

Walzer, Peter, D., Cushion, Melanie, T. "Pneumocystis pneumonia third edition, revised and expanded". 3 New York: Marcel Dekker, 2005. Text.