APA (7th ed.) Citation

Parsons, P. E., & Heffner, J. E. (1997). Pulmonary/respiratory therapy secrets. Hanley & Belfus.

Chicago Style (17th ed.) Citation

Parsons, Polly E., and John E. Heffner. Pulmonary/respiratory Therapy Secrets. Philadelphia: Hanley & Belfus, 1997.

MLA (8th ed.) Citation

Parsons, Polly E., and John E. Heffner. Pulmonary/respiratory Therapy Secrets. Hanley & Belfus, 1997.