Cita APA (7th ed.)

Winkler, A. C. (1982). Exposition: Model paragraphs and essays. Science Research Associates.

Cita Chicago (17th ed.)

Winkler, Anthony C. Exposition: Model Paragraphs and Essays. Chicago: Science Research Associates, 1982.

Cita MLA (9th ed.)

Winkler, Anthony C. Exposition: Model Paragraphs and Essays. Science Research Associates, 1982.