APA

Russow L., Curd M., . (1989). Principles of reasoning. New York: St. Martin's Press.

Chicago

Russow Lilly-Marlene, Curd Martin, . 1989. Principles of reasoning. New York: St. Martin's Press.

Harvard

Russow L., Curd M., . (1989). Principles of reasoning. New York: St. Martin's Press.

MLA

Russow Lilly-Marlene, Curd Martin, . Principles of reasoning. New York: St. Martin's Press. 1989.