Cita APA (7a ed.)

Eldridge, E. H., Good, H. I., & Eldridge, F. B. (1943). Eldridge-Good Business speller and vocabulary builder. American Book Company.

Cita Chicago Style (17a ed.)

Eldridge, Edward H., Harry I. Good, y Florence B. Eldridge. Eldridge-Good Business Speller and Vocabulary Builder. New York: American Book Company, 1943.

Cita MLA (8a ed.)

Eldridge, Edward H., et al. Eldridge-Good Business Speller and Vocabulary Builder. American Book Company, 1943.