Citazione Stile APA (7a Edizione)

SMITH, P. E. (1968). Ethan frome notes .-- Ed. New. Cliff's notes.

Citazione stile Chigago Style (17a edizione)

SMITH, Philip E. Ethan Frome Notes .-- Ed. New. Nebraska: Cliff's notes, 1968.

Citatione MLA (9a ed.)

SMITH, Philip E. Ethan Frome Notes .-- Ed. New. Cliff's notes, 1968.