APA (7th ed.) Citation

Pease, A., & Dunn, P. (1989). Write language: The new secrets of writing letters that really work. Camel Publishing.

Chicago Style (17th ed.) Citation

Pease, Allan, and Paul Dunn. Write Language: The New Secrets of Writing Letters That Really Work. Sydney: Camel Publishing, 1989.

MLA (9th ed.) Citation

Pease, Allan, and Paul Dunn. Write Language: The New Secrets of Writing Letters That Really Work. Camel Publishing, 1989.