Cita APA (7th ed.)

Nichols, E. D. (1968). Algebra moderna elemental. CECSA.

Cita Chicago (17th ed.)

Nichols, Eugene D. Algebra Moderna Elemental. México, D. F: CECSA, 1968.

Cita MLA (9th ed.)

Nichols, Eugene D. Algebra Moderna Elemental. CECSA, 1968.