Cita APA (7th ed.)

Foster, E. H. (1978). Susan and Anna Warner. Twayne Publishers.

Cita Chicago (17th ed.)

Foster, Edward Halsey. Susan and Anna Warner. Boston: Twayne Publishers, 1978.

Cita MLA (8th ed.)

Foster, Edward Halsey. Susan and Anna Warner. Twayne Publishers, 1978.