APA (7th ed.) Citation

Lyon, W., & Duke, B. J. (1981). Introduction to human services. Reston Pub. Co.

Chicago Style (17th ed.) Citation

Lyon, William, and Bill J. Duke. Introduction to Human Services. Reston, Va: Reston Pub. Co, 1981.

MLA (9th ed.) Citation

Lyon, William, and Bill J. Duke. Introduction to Human Services. Reston Pub. Co, 1981.