Cita APA (7a ed.)

Crouch, B. (1972). Overcoming learning difficulties. Benn.

Cita Chicago Style (17a ed.)

Crouch, Boyd. Overcoming Learning Difficulties. London: Benn, 1972.

Cita MLA (8a ed.)

Crouch, Boyd. Overcoming Learning Difficulties. Benn, 1972.