Cita APA (7a ed.)

Southworth, E. D. E. N. (1889). A leap in the dark: A novel. R. Bonner.

Cita Chicago Style (17a ed.)

Southworth, Emma Dorothy Eliza Nevitte. A Leap in the Dark: A Novel. New York: R. Bonner, 1889.

Cita MLA (8a ed.)

Southworth, Emma Dorothy Eliza Nevitte. A Leap in the Dark: A Novel. R. Bonner, 1889.