Cita APA

Spooner, G., & Mentzer, R. (1968). Introduction to number system. Prentice Hall.

Citación estilo Chicago

Spooner, G.A, y R.L Mentzer. Introduction to Number System. New Jersey: Prentice Hall, 1968.

Cita MLA

Spooner, G.A, y R.L Mentzer. Introduction to Number System. Prentice Hall, 1968.