APA citiranje

Blum, J., Blum, E. L., & Fox, L. (1975). Keypunch, keytape and keydisc. Gordon and Breach.

Chicago Style (17th ed.) Citation

Blum, J., Esther L. Blum, and Lester Fox. Keypunch, Keytape and Keydisc. New York: Gordon and Breach, 1975.

MLA citiranje

Blum, J., et al. Keypunch, Keytape and Keydisc. Gordon and Breach, 1975.