APA (7th ed.) Citation

Ascher, A. (1993). Think about editing: A grammar editing guide for ESL writers. Heinle & Heinle.

Chicago Style (17th ed.) Citation

Ascher, Allen. Think About Editing: A Grammar Editing Guide for ESL Writers. Boston, Mass., USA: Heinle & Heinle, 1993.

MLA (9th ed.) Citation

Ascher, Allen. Think About Editing: A Grammar Editing Guide for ESL Writers. Heinle & Heinle, 1993.