APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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