Citazione APA

Higgins, A. C. (1921). The psychology of nursing. G. P. Putnam's sons.

Stile di citazione Chicago

Higgins, Aileen Cleveland. The Psychology of Nursing. New York and London: G. P. Putnam's sons, 1921.

Citazione MLA

Higgins, Aileen Cleveland. The Psychology of Nursing. G. P. Putnam's sons, 1921.