APA (7th ed.) Citation

Day, C., Calderhead, J., & Denicolo, P. (1993). Research on teacher thinking: Understanding professional development. Falmer.

Chicago Style (17th ed.) Citation

Day, Christopher, James Calderhead, and Pam Denicolo. Research on Teacher Thinking: Understanding Professional Development. London [etc.]: Falmer, 1993.

MLA (9th ed.) Citation

Day, Christopher, et al. Research on Teacher Thinking: Understanding Professional Development. Falmer, 1993.