Cita APA (7th ed.)

Butler, E. (1995). Correct writing (6th ed.). D.C. Heath.

Cita Chicago (17th ed.)

Butler, Eugenia. Correct Writing. 6th ed. Lexington, Mass: D.C. Heath, 1995.

Cita MLA (9th ed.)

Butler, Eugenia. Correct Writing. 6th ed. D.C. Heath, 1995.