APA (7th ed.) Citation

Hopkins, D., & Nettle. (1995). Passport to IELTS. Phoenix.

Chicago Style (17th ed.) Citation

Hopkins, Diana, and Nettle. Passport to IELTS. New York: Phoenix, 1995.

MLA (8th ed.) Citation

Hopkins, Diana, and Nettle. Passport to IELTS. Phoenix, 1995.

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