Cita APA (7th ed.)

Sharp, H. J. (1953). Elements of plane trigonometry. Prentice-Hall.

Cita Chicago (17th ed.)

Sharp, Henry Jr. Elements of Plane Trigonometry. Englewood Cliffs, New Jersey: Prentice-Hall, 1953.

Cita MLA (9th ed.)

Sharp, Henry Jr. Elements of Plane Trigonometry. Prentice-Hall, 1953.