Cita APA (7a ed.)

Gagné, R. M. (1973). The conditions of learning (2nd ed.). Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Gagné, Robert M. The Conditions of Learning. 2nd ed. London [etc.]: Holt, Rinehart and Winston, 1973.

Cita MLA (9a ed.)

Gagné, Robert M. The Conditions of Learning. 2nd ed. Holt, Rinehart and Winston, 1973.