APA (7th ed.) Citation

Holmes, O. W. (1867). The guardian angel. Ticknor and Fields.

Chicago Style (17th ed.) Citation

Holmes, Oliver Wendell. The Guardian Angel. Boston: Ticknor and Fields, 1867.

MLA (9th ed.) Citation

Holmes, Oliver Wendell. The Guardian Angel. Ticknor and Fields, 1867.

Warning: These citations may not always be 100% accurate.