APA (7th ed.) Citation

illis, D., & Wright. (1995). Basic grammar: Self study edition with answers. Harper Collins.

Chicago Style (17th ed.) Citation

illis, Dave, and Wright. Basic Grammar: Self Study Edition with Answers. London: Harper Collins, 1995.

MLA (8th ed.) Citation

illis, Dave, and Wright. Basic Grammar: Self Study Edition with Answers. Harper Collins, 1995.