Cita APA (7th ed.)

Skinner, B. F. (1976). Walden two. MacMillan.

Cita Chicago (17th ed.)

Skinner, Burrhus Frederick. Walden Two. Nueva York: MacMillan, 1976.

Cita MLA (9th ed.)

Skinner, Burrhus Frederick. Walden Two. MacMillan, 1976.