APA (7th ed.) Citation

Young, H., Lee, E., & Wilcox, E. (1948). Essentials of nursing. G.P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Young, Helen, Eleanor Lee, and Elizabeth Wilcox. Essentials of Nursing. New York: G.P. Putnam's Sons, 1948.

MLA (9th ed.) Citation

Young, Helen, et al. Essentials of Nursing. G.P. Putnam's Sons, 1948.