APA (7th ed.) Citation

(1968). Motivation: Selected readings (Reprint.). Penguin Books.

Chicago Style (17th ed.) Citation

Motivation: Selected Readings. Reprint. Harmondsworth, Middlesex [u.a.]: Penguin Books, 1968.

MLA (9th ed.) Citation

Motivation: Selected Readings. Reprint. Penguin Books, 1968.

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