Cita APA (7a ed.)

Gorrell, R. M., & Laird, C. (1967). Modern english handbook (4 ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Gorrell, Robert M., y Charlton Laird. Modern English Handbook. 4 ed. Englewood Cliffs: Prentice-Hall, 1967.

Cita MLA (8a ed.)

Gorrell, Robert M., y Charlton Laird. Modern English Handbook. 4 ed. Prentice-Hall, 1967.