Citazione Stile APA (7a Edizione)

Samuels, E. (1958). Henry Adams, the middle years. Belknap Press of Harvard University Press.

Citazione stile Chigago Style (17a edizione)

Samuels, Ernest. Henry Adams, the Middle Years. Cambridge: Belknap Press of Harvard University Press, 1958.

Citatione MLA (9a ed.)

Samuels, Ernest. Henry Adams, the Middle Years. Belknap Press of Harvard University Press, 1958.