APA

Rand A., Peikoff L., . (1990). Introduction to objectivist epistemology. New York: Meridian.

Chicago

Rand Ayn, Peikoff Leonard, . 1990. Introduction to objectivist epistemology. New York: Meridian.

Harvard

Rand A., Peikoff L., . (1990). Introduction to objectivist epistemology. New York: Meridian.

MLA

Rand Ayn, Peikoff Leonard, . Introduction to objectivist epistemology. New York: Meridian. 1990.