APA

Nauman S. E., . (19721973). Dictionary of American philosophy. New York: Philosophical Library.

Chicago

Nauman St Elmo, . 19721973. Dictionary of American philosophy. New York: Philosophical Library.

Harvard

Nauman S. E., . (19721973). Dictionary of American philosophy. New York: Philosophical Library.

MLA

Nauman St Elmo, . Dictionary of American philosophy. New York: Philosophical Library. 19721973.