APA (7th ed.) Citation

Sneider, C. I., & Barber, J. (1987). Paper towel testing: Teacher's guide, grades 5-9. Gems.

Chicago Style (17th ed.) Citation

Sneider, Cary Ivan, and Jacqueline Barber. Paper Towel Testing: Teacher's Guide, Grades 5-9. Berkeley, CA: Gems, 1987.

MLA (9th ed.) Citation

Sneider, Cary Ivan, and Jacqueline Barber. Paper Towel Testing: Teacher's Guide, Grades 5-9. Gems, 1987.