Cita APA (7th ed.)
Hopper, V. F., Foote, R. C., Gale, C., & Griffith, B. W. (2000). Essentials of English (5th ed.). Barron's Educational Series.
Cita Chicago (17th ed.)
Hopper, Vincent Foster, Ronald C. Foote, Cedric Gale, i Benjamin W. Griffith. Essentials of English. 5th ed. Hauppauge, N.Y.: Barron's Educational Series, 2000.
Cita MLA (9th ed.)
Hopper, Vincent Foster, et al. Essentials of English. 5th ed. Barron's Educational Series, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.