APA (7th ed.) Citation

Goodman, R. (1967). Programmed learning and teaching machines: An introd (3., enl. ed.). English Univ. Press.

Chicago Style (17th ed.) Citation

Goodman, Richard. Programmed Learning and Teaching Machines: An Introd. 3., enl. ed. London: English Univ. Press, 1967.

MLA (9th ed.) Citation

Goodman, Richard. Programmed Learning and Teaching Machines: An Introd. 3., enl. ed. English Univ. Press, 1967.