APA

McCammon R. R., . (1981). They thirst. New York: Avon Books.

Chicago

McCammon Robert R, . 1981. They thirst. New York: Avon Books.

Harvard

McCammon R. R., . (1981). They thirst. New York: Avon Books.

MLA

McCammon Robert R, . They thirst. New York: Avon Books. 1981.