Cita APA (7th ed.)

Corrigan, R. E., Kaufman, R. A., & Bauer, H. A. (1966). Why system engineering. Fearon Publishers.

Cita Chicago (17th ed.)

Corrigan, Robert E., Roger A. Kaufman, i Harold A. Bauer. Why System Engineering. Palo Alto, Calif.: Fearon Publishers, 1966.

Cita MLA (8th ed.)

Corrigan, Robert E., et al. Why System Engineering. Fearon Publishers, 1966.