APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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