APA (7th ed.) Citation

Visser, L., Plomp, T., & Kuiper, W. (1999). Development Research Applied To Improve Motivation in Distance Education.

Chicago Style (17th ed.) Citation

Visser, Lya, Tjeerd Plomp, and Wilmad Kuiper. Development Research Applied To Improve Motivation in Distance Education. 1999.

MLA (9th ed.) Citation

Visser, Lya, et al. Development Research Applied To Improve Motivation in Distance Education. 1999.