APA (7th ed.) Citation

Nation, I. S. P. (2007). Learning vocabulary in another language (1. publ., 9. print.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Nation, I. S. P. Learning Vocabulary in Another Language. 1. publ., 9. print. Cambridge [u.a.]: Cambridge Univ. Press, 2007.

MLA (9th ed.) Citation

Nation, I. S. P. Learning Vocabulary in Another Language. 1. publ., 9. print. Cambridge Univ. Press, 2007.