APA (7th ed.) Citation

Murphy, R. (2015). Essential Grammar in Use: A self-study reference and practice book for elementary learners of English (cuarta edición.). Cambridge University.

Chicago Style (17th ed.) Citation

Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Learners of English. cuarta edición. Cambridge: Cambridge University, 2015.

MLA (9th ed.) Citation

Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Learners of English. cuarta edición. Cambridge University, 2015.