Cita APA (7th ed.)

Rutledge, W. A., & Pond, J. A. (1961). Modern Trigonometry (2d ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Rutledge, William A., i John A. Pond. Modern Trigonometry. 2d ed. Englewood Cliffs, N.J: Prentice-Hall, 1961.

Cita MLA (9th ed.)

Rutledge, William A., i John A. Pond. Modern Trigonometry. 2d ed. Prentice-Hall, 1961.

Atenció: Aquestes cites poden no estar 100% correctes.