APA
Ellis J. R., Hartley C. L. j. a., . (1992). Nursing in today's World. J. B. Lippincott: Philadelphia.
Chicago
Ellis Janice Rider, Hartley Celia Love jt author, . 1992. Nursing in today's World. J. B. Lippincott: Philadelphia.
Harvard
Ellis J. R., Hartley C. L. j. a., . (1992). Nursing in today's World. J. B. Lippincott: Philadelphia.
MLA
Ellis Janice Rider, Hartley Celia Love jt author, . Nursing in today's World. J. B. Lippincott: Philadelphia. 1992.