APA (7th ed.) Citation

Bolitho, R., & Tomlinson, B. (1980). Discover English: A language awareness workbook. Allen & Unwin.

Chicago Style (17th ed.) Citation

Bolitho, Rod, and Brian Tomlinson. Discover English: A Language Awareness Workbook. London ; Boston: Allen & Unwin, 1980.

MLA (9th ed.) Citation

Bolitho, Rod, and Brian Tomlinson. Discover English: A Language Awareness Workbook. Allen & Unwin, 1980.