Historical encyclopedia of nursing
MLA
Snodgrass, Mary Ellen. Historical Encyclopedia of Nursing. Santa Barbara, Calif.: ABC-CLIO, 1999.
APA
Snodgrass, M. Ellen. (1999). Historical encyclopedia of nursing. Santa Barbara, Calif.: ABC-CLIO.
Chicago
Snodgrass, Mary Ellen Historical Encyclopedia of Nursing. Santa Barbara, Calif.: ABC-CLIO, 1999.