Cita APA (7a ed.)

National Council of Teachers of Mathematics. (1968). Numeros Enteros. TRILLAS.

Cita Chicago Style (17a ed.)

National Council of Teachers of Mathematics. Numeros Enteros. México D. F.: TRILLAS, 1968.

Cita MLA (9a ed.)

National Council of Teachers of Mathematics. Numeros Enteros. TRILLAS, 1968.