APA (7th ed.) Zitazioa

Ronningen, H. A. (1972). Metrics: Measurement for tomorrow. Collier.

Chicago Style (17th ed.) Zitazioa

Ronningen, Helmer A. Metrics: Measurement for Tomorrow. New York: Collier, 1972.

MLA (9th ed.) Zitazioa

Ronningen, Helmer A. Metrics: Measurement for Tomorrow. Collier, 1972.