Cita APA (7a ed.)

Gruender, H. (1912). Psychology without a soul: A criticism. B. Herder.

Cita Chicago Style (17a ed.)

Gruender, Hubert. Psychology Without a Soul: A Criticism. St. Louis: B. Herder, 1912.

Cita MLA (9a ed.)

Gruender, Hubert. Psychology Without a Soul: A Criticism. B. Herder, 1912.