APA (7th ed.) Citation

Boyd, J. R., & Boyd, M. A. (1991). Before book one: Listening activities for prebeginning students of English. Prentice Hall Regents.

Chicago Style (17th ed.) Citation

Boyd, John R., and Mary Ann Boyd. Before Book One: Listening Activities for Prebeginning Students of English. Englewood Clifs, NJ: Prentice Hall Regents, 1991.

MLA (9th ed.) Citation

Boyd, John R., and Mary Ann Boyd. Before Book One: Listening Activities for Prebeginning Students of English. Prentice Hall Regents, 1991.

Warning: These citations may not always be 100% accurate.