APA

Schopenhauer A., . (1962). The essential Schopenhauer. New York: George Allen & Unwin.

Chicago

Schopenhauer Arthur, . 1962. The essential Schopenhauer. New York: George Allen & Unwin.

Harvard

Schopenhauer A., . (1962). The essential Schopenhauer. New York: George Allen & Unwin.

MLA

Schopenhauer Arthur, . The essential Schopenhauer. New York: George Allen & Unwin. 1962.