APA (7th ed.) Citation

Bonner, M. (1994). Focus on grammar. Teacher's manual. An intermediate course for reference and practice. Addison-Wesley.

Chicago Style (17th ed.) Citation

Bonner, Margaret. Focus on Grammar. Teacher's Manual. An Intermediate Course for Reference and Practice. Reading: Addison-Wesley, 1994.

MLA (9th ed.) Citation

Bonner, Margaret. Focus on Grammar. Teacher's Manual. An Intermediate Course for Reference and Practice. Addison-Wesley, 1994.