APA (7th ed.) Citation

Hilton, C., & Hyder, M. (1993). Grammar. National Extension College.

Chicago Style (17th ed.) Citation

Hilton, Catherine, and Margaret Hyder. Grammar. Cambridge: National Extension College, 1993.

MLA (9th ed.) Citation

Hilton, Catherine, and Margaret Hyder. Grammar. National Extension College, 1993.

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