APA (7th ed.) Citation

Kelly, A. V. (1978). Mixed-ability grouping : theory and practice: Theory and practice (2nd ed.). Harper and Row.

Chicago Style (17th ed.) Citation

Kelly, A. V. Mixed-ability Grouping : Theory and Practice: Theory and Practice. 2nd ed. London (etc.): Harper and Row, 1978.

MLA (9th ed.) Citation

Kelly, A. V. Mixed-ability Grouping : Theory and Practice: Theory and Practice. 2nd ed. Harper and Row, 1978.

Warning: These citations may not always be 100% accurate.