APA (7th ed.) Citation

Green, A. K. (1900). A difficult problem: The staircase at the Heart's delight, and other stories. F.M. Lupton.

Chicago Style (17th ed.) Citation

Green, Anna Katharine. A Difficult Problem: The Staircase at the Heart's Delight, and Other Stories. New York: F.M. Lupton, 1900.

MLA (9th ed.) Citation

Green, Anna Katharine. A Difficult Problem: The Staircase at the Heart's Delight, and Other Stories. F.M. Lupton, 1900.