APA (7th ed.) Citation

Wragg, E. C. (1976). Teaching mixed-ability groups. David & Charles.

Chicago Style (17th ed.) Citation

Wragg, E. C. Teaching Mixed-ability Groups. Newton Abbot ; North Pomfret, Vt.: David & Charles, 1976.

MLA (9th ed.) Citation

Wragg, E. C. Teaching Mixed-ability Groups. David & Charles, 1976.