APA (7th ed.) Citation

NetLibrary, Inc, & Hughes, M. (1996). Progression in learning. Multilingual Matters.

Chicago Style (17th ed.) Citation

NetLibrary, Inc, and Martin Hughes. Progression in Learning. Clevedon [England] ; Bristol, PA, USA: Multilingual Matters, 1996.

MLA (9th ed.) Citation

NetLibrary, Inc, and Martin Hughes. Progression in Learning. Multilingual Matters, 1996.