APA (7th ed.) Citation

Watkins, M. (1990). Practise your modal verds. Longman.

Chicago Style (17th ed.) Citation

Watkins, Mike. Practise Your Modal Verds. UK: Longman, 1990.

MLA (9th ed.) Citation

Watkins, Mike. Practise Your Modal Verds. Longman, 1990.

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