Cita APA (7th ed.)

Krupa, G. H. (1982). Situational writing. Wadsworth.

Cita Chicago (17th ed.)

Krupa, Gene H. Situational Writing. Belmont, Calif.: Wadsworth, 1982.

Cita MLA (9th ed.)

Krupa, Gene H. Situational Writing. Wadsworth, 1982.