APA (7th ed.) Citation

Richards, J. (1978). Classroom language : what sort? / (by) Jill Richards: What sort? Allen and Unwin.

Chicago Style (17th ed.) Citation

Richards, Jill. Classroom Language : What Sort? / (by) Jill Richards: What Sort? London (etc.): Allen and Unwin, 1978.

MLA (9th ed.) Citation

Richards, Jill. Classroom Language : What Sort? / (by) Jill Richards: What Sort? Allen and Unwin, 1978.

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