APA (7th ed.) Citation

Webb, S., & Nation, I. S. P. (2017). How vocabulary is learned. Oxford University Press.

Chicago Style (17th ed.) Citation

Webb, Stuart, and I. S. P. Nation. How Vocabulary Is Learned. Oxford: Oxford University Press, 2017.

MLA (9th ed.) Citation

Webb, Stuart, and I. S. P. Nation. How Vocabulary Is Learned. Oxford University Press, 2017.