APA (7th ed.) Citation

Roberts, J. (1985). Steps to fluency: A short course in communication. Pergamon Pr.

Chicago Style (17th ed.) Citation

Roberts, Jon. Steps to Fluency: A Short Course in Communication. Oxford u. a: Pergamon Pr, 1985.

MLA (9th ed.) Citation

Roberts, Jon. Steps to Fluency: A Short Course in Communication. Pergamon Pr, 1985.

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