APA-referens (7:e uppl.)

Logan, H. B. (1974). A traveler's guide to North American gardens. Scribner.

Chicago-referens (17:e uppl.)

Logan, Harry Britton. A Traveler's Guide to North American Gardens. New York: Scribner, 1974.

MLA-referens (9:e uppl.)

Logan, Harry Britton. A Traveler's Guide to North American Gardens. Scribner, 1974.