Cita APA (7a ed.)

Kirkpatrick, E. A. (1909). Genetic psychology; an introduction to an objective and genetic view of intelligence. Macmillan Co..

Cita Chicago Style (17a ed.)

Kirkpatrick, Edwin A. Genetic Psychology; an Introduction to an Objective and Genetic View of Intelligence. New York: Macmillan Co., 1909.

Cita MLA (8a ed.)

Kirkpatrick, Edwin A. Genetic Psychology; an Introduction to an Objective and Genetic View of Intelligence. Macmillan Co., 1909.