APA (7th ed.) Citation

Christensen, E. L., Bowman, G. A., & DeMille, S. D. (1976). Century 21 shorthand dictionary. South-Western Pub. Co..

Chicago Style (17th ed.) Citation

Christensen, Edward L., Grace A. Bowman, and Stanford D. DeMille. Century 21 Shorthand Dictionary. Cincinnati: South-Western Pub. Co., 1976.

MLA (9th ed.) Citation

Christensen, Edward L., et al. Century 21 Shorthand Dictionary. South-Western Pub. Co., 1976.