Cita APA (7th ed.)

Perkins, H. A. (1943). College physics (Revised ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Perkins, Henry A. College Physics. Revised ed. New York: Prentice-Hall, 1943.

Cita MLA (9th ed.)

Perkins, Henry A. College Physics. Revised ed. Prentice-Hall, 1943.

Atenció: Aquestes cites poden no estar 100% correctes.