APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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