APA引文

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

芝加哥风格引文

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

MLA引文

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