APA (7th ed.) Citation

Holmes, O. W. (1891). Our hundred days in Europe. Houghton Mifflin Company.

Chicago Style (17th ed.) Citation

Holmes, Oliver Wendell. Our Hundred Days in Europe. Boston ; New York: Houghton Mifflin Company, 1891.

MLA (9th ed.) Citation

Holmes, Oliver Wendell. Our Hundred Days in Europe. Houghton Mifflin Company, 1891.