APA (7th ed.) Citation

Skemp, R. R. (1986). The psychology of learning mathematics / Richard R. Skemp (2nd ed.). Penguin.

Chicago Style (17th ed.) Citation

Skemp, Richard R. The Psychology of Learning Mathematics / Richard R. Skemp. 2nd ed. Harmondsworth: Penguin, 1986.

MLA (9th ed.) Citation

Skemp, Richard R. The Psychology of Learning Mathematics / Richard R. Skemp. 2nd ed. Penguin, 1986.

Warning: These citations may not always be 100% accurate.