Longman dictionary of contemporary English.

MLA

Mayor, Michael. Longman Dictionary of Contemporary English. New ed. for advanced learners, 5th ed. 2009, 2nd impr. 2009 Harlow, Essex: Pearson Education, .200.

APA

Mayor, M. (.200). Longman dictionary of contemporary English. New ed. for advanced learners, 5th ed. 2009, 2nd impr. 2009 Harlow, Essex: Pearson Education.

Chicago

Mayor, Michael, Longman Dictionary of Contemporary English. New ed. for advanced learners, 5th ed. 2009, 2nd impr. 2009 Harlow, Essex: Pearson Education, .200.