APA

Halverson W. H., . (1976). A concise introduction to philosophy. New York: Random House.

Chicago

Halverson William H, . 1976. A concise introduction to philosophy. New York: Random House.

Harvard

Halverson W. H., . (1976). A concise introduction to philosophy. New York: Random House.

MLA

Halverson William H, . A concise introduction to philosophy. New York: Random House. 1976.