Cita APA (7th ed.)

Koen, B. V. (1985). Definition of the engineering method. American Society for Engineering Education.

Cita Chicago (17th ed.)

Koen, Billy Vaughn. Definition of the Engineering Method. Washington, D.C: American Society for Engineering Education, 1985.

Cita MLA (9th ed.)

Koen, Billy Vaughn. Definition of the Engineering Method. American Society for Engineering Education, 1985.