APA (7th ed.) Citation

Ware, H., & Markham, E. (1934). The cross. Schirmer.

Chicago Style (17th ed.) Citation

Ware, Harriet, and Edwin Markham. The Cross. New York: Schirmer, 1934.

MLA (9th ed.) Citation

Ware, Harriet, and Edwin Markham. The Cross. Schirmer, 1934.