Cita APA

Williams, G. 1., & Williams, G. 1. (1969). The Plague killers. New York, New York: Scribner.

Citación estilo Chicago

Williams, Greer 1909-, y Greer 1909- Williams. The Plague Killers. New York, New York: Scribner, 1969.

Cita MLA

Williams, Greer 1909-, y Greer 1909- Williams. The Plague Killers. New York, New York: Scribner, 1969.