APA (7th ed.) Citation

Harper, D. (1986). ESP for the University. Pergamon.

Chicago Style (17th ed.) Citation

Harper, David. ESP for the University. Oxford,New York: Pergamon, 1986.

MLA (9th ed.) Citation

Harper, David. ESP for the University. Pergamon, 1986.

Warning: These citations may not always be 100% accurate.