APA

Earle W. J., . (1992). Introduction to philosophy. New York: McGraw-Hill, Inc.

Chicago

Earle William James, . 1992. Introduction to philosophy. New York: McGraw-Hill, Inc.

Harvard

Earle W. J., . (1992). Introduction to philosophy. New York: McGraw-Hill, Inc.

MLA

Earle William James, . Introduction to philosophy. New York: McGraw-Hill, Inc. 1992.