APA (7th ed.) Citation

Vas, G. (1995). The Sterling book of tongue-twisters / Gratian Vas. Sterling.

Chicago Style (17th ed.) Citation

Vas, Gratian. The Sterling Book of Tongue-twisters / Gratian Vas. New Delhi, India: Sterling, 1995.

MLA (9th ed.) Citation

Vas, Gratian. The Sterling Book of Tongue-twisters / Gratian Vas. Sterling, 1995.