Geraniums, pelargoniums, for windows and gardens.

MLA

Van Pelt-Wilson, Helen, and Natalie Harlan Davis. Geraniums, Pelargoniums, for Windows and Gardens. [Rev. ed.] New York: M. Barrows and company, inc., 1950.

APA

Van Pelt-Wilson, H., & Davis, N. Harlan. (1950). Geraniums, pelargoniums, for windows and gardens. [Rev. ed.] New York: M. Barrows and company, inc.

Chicago

Van Pelt-Wilson, Helen, and Natalie Harlan Davis. Geraniums, Pelargoniums, for Windows and Gardens.. [Rev. ed.] New York: M. Barrows and company, inc., 1950.