APA (7th ed.) Citation

Ford, W. C., Adams, C. F., Adams, C. F., & Adams, H. (1920). A cycle of Adams letters, 1861-1865. Houghton Mifflin Co..

Chicago Style (17th ed.) Citation

Ford, Worthington Chauncey, Charles Francis Adams, Charles Francis Adams, and Henry Adams. A Cycle of Adams Letters, 1861-1865. Boston: Houghton Mifflin Co., 1920.

MLA (9th ed.) Citation

Ford, Worthington Chauncey, et al. A Cycle of Adams Letters, 1861-1865. Houghton Mifflin Co., 1920.