Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

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