APA

Spalding H., . (1920). Talks to nurses. New York: Benziger.

Chicago

Spalding H.S, . 1920. Talks to nurses. New York: Benziger.

Harvard

Spalding H., . (1920). Talks to nurses. New York: Benziger.

MLA

Spalding H.S, . Talks to nurses. New York: Benziger. 1920.