APA (7th ed.) Citation

Hill, L. A. (1985). Word power 4500: Vocabulary tests and exercises. Oxford University Press.

Chicago Style (17th ed.) Citation

Hill, L. A. Word Power 4500: Vocabulary Tests and Exercises. Hong Kong: Oxford University Press, 1985.

MLA (9th ed.) Citation

Hill, L. A. Word Power 4500: Vocabulary Tests and Exercises. Oxford University Press, 1985.