Cita APA (7a ed.)

Hart, W. L. R. (1959). College algebra and trigonometry. Heath.

Cita Chicago Style (17a ed.)

Hart, William Le Roy. College Algebra and Trigonometry. Boston: Heath, 1959.

Cita MLA (8a ed.)

Hart, William Le Roy. College Algebra and Trigonometry. Heath, 1959.