APA استشهاد

Ruchlis, H., & Hirsh, A. (1958). Orbit: A picture story of force and motion. Harper.

استشهاد بنمط شيكاغو

Ruchlis, Hyman, و Alice Hirsh. Orbit: A Picture Story of Force and Motion. New York: Harper, 1958.

MLA استشهاد

Ruchlis, Hyman, و Alice Hirsh. Orbit: A Picture Story of Force and Motion. Harper, 1958.