Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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