Cita APA (7a ed.)

Holmes, O. W. (1892). The guardian angel (Standard library ed.). Houghton, Mifflin and Co.

Cita Chicago Style (17a ed.)

Holmes, Oliver Wendell. The Guardian Angel. Standard library ed. Boston: Houghton, Mifflin and Co, 1892.

Cita MLA (9a ed.)

Holmes, Oliver Wendell. The Guardian Angel. Standard library ed. Houghton, Mifflin and Co, 1892.