Cita APA (7th ed.)

Drexler, M. (2003). Secret agents: The menace of emerging infections. Penguin Books.

Cita Chicago (17th ed.)

Drexler, Madeline. Secret Agents: The Menace of Emerging Infections. New York, N.Y: Penguin Books, 2003.

Cita MLA (9th ed.)

Drexler, Madeline. Secret Agents: The Menace of Emerging Infections. Penguin Books, 2003.