Cita APA (7a ed.)

Ruiz, C., & Koenigsberger, F. (1970). Design for Strength and Production (1a ed.). Macmillan.

Cita Chicago Style (17a ed.)

Ruiz, C., y F. Koenigsberger. Design for Strength and Production. 1a ed. London, UK: Macmillan, 1970.

Cita MLA (9a ed.)

Ruiz, C., y F. Koenigsberger. Design for Strength and Production. 1a ed. Macmillan, 1970.