Cita APA (7a ed.)

Harrs, W. G. (1941). Teleology in the Philosophy of Joseph Butler and Abraham Tucker. University of Pennsylvania.

Cita Chicago Style (17a ed.)

Harrs, William Glen. Teleology in the Philosophy of Joseph Butler and Abraham Tucker. Philadelphia: University of Pennsylvania, 1941.

Cita MLA (8a ed.)

Harrs, William Glen. Teleology in the Philosophy of Joseph Butler and Abraham Tucker. University of Pennsylvania, 1941.