APA (7th ed.) Citation

Barnes, D., Barnes, D. R., & Clarke, S. (1984). Versions of English: Based on a project financed by the Social Science Research Council, at the Univ. of Leeds School of Education. Heinemann.

Chicago Style (17th ed.) Citation

Barnes, Dorothy, Douglas R. Barnes, and Stephen Clarke. Versions of English: Based on a Project Financed by the Social Science Research Council, at the Univ. of Leeds School of Education. London: Heinemann, 1984.

MLA (9th ed.) Citation

Barnes, Dorothy, et al. Versions of English: Based on a Project Financed by the Social Science Research Council, at the Univ. of Leeds School of Education. Heinemann, 1984.