APA (7th ed.) Citation

Waggaman, L., Clowes, J., & L'Engle, M. (1987). A wrinkle in time: [teacher's guide]. Montgomery County Public Schools.

Chicago Style (17th ed.) Citation

Waggaman, Linda, June Clowes, and Madeleine L'Engle. A Wrinkle in Time: [teacher's Guide]. Christiansburg, Va.: Montgomery County Public Schools, 1987.

MLA (9th ed.) Citation

Waggaman, Linda, et al. A Wrinkle in Time: [teacher's Guide]. Montgomery County Public Schools, 1987.