APA (7th ed.) Citation
Cobb, G. B., McGuffey, A., & Mynhier, J. (1989). Word 4 companion. Cobb Group.
Chicago Style (17th ed.) Citation
Cobb, Gena Berg, Allan McGuffey, and Judy Mynhier. Word 4 Companion. Louisville, Ky.: Cobb Group, 1989.
MLA (9th ed.) Citation
Cobb, Gena Berg, et al. Word 4 Companion. Cobb Group, 1989.
Warning: These citations may not always be 100% accurate.