APA (7th ed.) Citation

(2002). The ELT grammar book: A teacher-friendly reference guide / Richard Firsten, with Patricia Killian.

Chicago Style (17th ed.) Citation

The ELT Grammar Book: A Teacher-friendly Reference Guide / Richard Firsten, with Patricia Killian. 2002.

MLA (9th ed.) Citation

The ELT Grammar Book: A Teacher-friendly Reference Guide / Richard Firsten, with Patricia Killian. 2002.

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