Cita APA (7a ed.)

Knoeppel, C. E. (1915). Installing efficiency methods. The Engineering Magazine.

Cita Chicago Style (17a ed.)

Knoeppel, C. E. Installing Efficiency Methods. New York: The Engineering Magazine, 1915.

Cita MLA (9a ed.)

Knoeppel, C. E. Installing Efficiency Methods. The Engineering Magazine, 1915.