Style de citation APA (7e éd.)

Johns, E., & Pfefferkorn, B. (1954). The Johns Hopkins School of Nursing, 1889-1949. Johns Hopkins Press.

Style de citation Chicago (17e éd.)

Johns, Ethel, et Blanche Pfefferkorn. The Johns Hopkins School of Nursing, 1889-1949. Baltimore: Johns Hopkins Press, 1954.

Style de citation MLA (8e éd.)

Johns, Ethel, et Blanche Pfefferkorn. The Johns Hopkins School of Nursing, 1889-1949. Johns Hopkins Press, 1954.