APA (7th ed.) Citation

Waters, A., & Bull, V. (2006). Oxford essential dictionary: For elementary and pre-intermediate learners of English. Oxford University Press.

Chicago Style (17th ed.) Citation

Waters, Alison, and Victoria Bull. Oxford Essential Dictionary: For Elementary and Pre-intermediate Learners of English. Oxford: Oxford University Press, 2006.

MLA (8th ed.) Citation

Waters, Alison, and Victoria Bull. Oxford Essential Dictionary: For Elementary and Pre-intermediate Learners of English. Oxford University Press, 2006.