APA

Coffey P., . (1938). Epistemology; or, The theory of knowledge: an introduction to general metaphysics. New York: Peter Smith.

Chicago

Coffey Peter, . 1938. Epistemology; or, The theory of knowledge: an introduction to general metaphysics. New York: Peter Smith.

Harvard

Coffey P., . (1938). Epistemology; or, The theory of knowledge: an introduction to general metaphysics. New York: Peter Smith.

MLA

Coffey Peter, . Epistemology; or, The theory of knowledge: an introduction to general metaphysics. New York: Peter Smith. 1938.