APA (7th ed.) Citation

Byrd, P., Drum, C., & Witthopf, B. J. (1981). Guide to academic libraries in the United States for students of English as a second language. Prentice-Hall.

Chicago Style (17th ed.) Citation

Byrd, Patricia, Carol Drum, and Barbara J. Witthopf. Guide to Academic Libraries in the United States for Students of English as a Second Language. Englewood Cliffs, N.J: Prentice-Hall, 1981.

MLA (9th ed.) Citation

Byrd, Patricia, et al. Guide to Academic Libraries in the United States for Students of English as a Second Language. Prentice-Hall, 1981.