APA (7th ed.) Citation

Bell, G. E., & Farkas, C. (2002). Signals: Writing effective sentences and paragraphs. Longman Pub.

Chicago Style (17th ed.) Citation

Bell, George E., and Carolyn Farkas. Signals: Writing Effective Sentences and Paragraphs. New York: Longman Pub, 2002.

MLA (8th ed.) Citation

Bell, George E., and Carolyn Farkas. Signals: Writing Effective Sentences and Paragraphs. Longman Pub, 2002.