Cita APA (7th ed.)

Guillaume, A. M., Yopp, R. H., & Yopp, H. K. (2007). 50 strategies for active teaching: Engaging K-12 learners in the classroom. Pearson/Merrill/Prentice Hall.

Cita Chicago (17th ed.)

Guillaume, Andrea M., Ruth Helen Yopp, i Hallie Kay Yopp. 50 Strategies for Active Teaching: Engaging K-12 Learners in the Classroom. [Upper Saddle River, N.J: Pearson/Merrill/Prentice Hall, 2007.

Cita MLA (9th ed.)

Guillaume, Andrea M., et al. 50 Strategies for Active Teaching: Engaging K-12 Learners in the Classroom. Pearson/Merrill/Prentice Hall, 2007.