APA (7th ed.) Citation

Wilberg, P. (1987). One to one: A teacher's handbook. Language Teaching Publications.

Chicago Style (17th ed.) Citation

Wilberg, Peter. One to One: A Teacher's Handbook. London: Language Teaching Publications, 1987.

MLA (9th ed.) Citation

Wilberg, Peter. One to One: A Teacher's Handbook. Language Teaching Publications, 1987.