Cita APA

Ellis, J. R., & Hartley, C. L. (1984). Nursing in today's world: Challenges, issues and trends (2a. ed.). Philadelphia: J. B. Lippincott.

Citación estilo Chicago

Ellis, Janice Rider, y Celia Love Hartley. Nursing in Today's World: Challenges, Issues and Trends. 2a. ed. Philadelphia: J. B. Lippincott, 1984.

Cita MLA

Ellis, Janice Rider, y Celia Love Hartley. Nursing in Today's World: Challenges, Issues and Trends. 2a. ed. Philadelphia: J. B. Lippincott, 1984.