Cita APA (7th ed.)
Butler, E., Everett, E. M., Hickman, M. A., & Overby, L. (1976). Correct Writing (2nd ed.). D.C. Heath and Company.
Cita Chicago (17th ed.)
Butler, Eugenia, Edwin Marrard Everett, Mary Ann Hickman, i Lalla Overby. Correct Writing. 2nd ed. Lexingon, MA: D.C. Heath and Company, 1976.
Cita MLA (9th ed.)
Butler, Eugenia, et al. Correct Writing. 2nd ed. D.C. Heath and Company, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.