APA Citation

Schoenberg. (2000). Focus on grammar: A basic course for reference and practice (2nd ed.). [?]: Longman.

Chicago Style Citation

Schoenberg. Focus On Grammar: A Basic Course for Reference and Practice. 2nd ed. [?]: Longman, 2000.

MLA Citation

Schoenberg. Focus On Grammar: A Basic Course for Reference and Practice. 2nd ed. [?]: Longman, 2000.

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