APA (7th ed.) Citation

Wragg, E. C. . [. (1999). An introduction to classroom observation (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Wragg, E. C. []. An Introduction to Classroom Observation. 2nd ed. London ; New York: Routledge, 1999.

MLA (9th ed.) Citation

Wragg, E. C. []. An Introduction to Classroom Observation. 2nd ed. Routledge, 1999.