APA Citation

Richards, J., & Long, M. (1980). Breakthrough: A Course in English Communication Practice. Paris: Hermes*.

Chicago Style Citation

Richards, J.c., and M.n Long. Breakthrough: A Course in English Communication Practice. Paris: Hermes*, 1980.

MLA Citation

Richards, J.c., and M.n Long. Breakthrough: A Course in English Communication Practice. Paris: Hermes*, 1980.

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