Gaya APA

, ., Marrin, A. (2002). Dr. Jenner and the speckled monster: the search for the smallpox vaccine . New York: New York: Dutton Children\'s Books, 2002.

Gaya MLA

, ., Marrin, Albert. "Dr. Jenner and the speckled monster: the search for the smallpox vaccine". New York: New York: Dutton Children\'s Books, 2002, 2002. .