APA Citation

Kirby, S., & Key, P. (1989). Penguin elementary speaking skills: Student's book. London: Penguin Books.

Chicago Style Citation

Kirby, Stephen, and Patty Key. Penguin Elementary Speaking Skills: Student's Book. London: Penguin Books, 1989.

MLA Citation

Kirby, Stephen, and Patty Key. Penguin Elementary Speaking Skills: Student's Book. London: Penguin Books, 1989.

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