Cita APA (7th ed.)

Nichols, E. D. (1966). Elementary algebra. Holt, Rinehart and Winston.

Cita Chicago (17th ed.)

Nichols, Eugene D. Elementary Algebra. Nueva York: Holt, Rinehart and Winston, 1966.

Cita MLA (9th ed.)

Nichols, Eugene D. Elementary Algebra. Holt, Rinehart and Winston, 1966.