Cita APA (7a ed.)

Gullette, G. A., & McCrimmon, J. M. (1941). Writing effectively: An introduction to the elements of grammar, composition, and usage, with graded exercises. Farrar & Rinehart, Inc.

Cita Chicago Style (17a ed.)

Gullette, George A., y James McNab McCrimmon. Writing Effectively: An Introduction to the Elements of Grammar, Composition, and Usage, with Graded Exercises. New York: Farrar & Rinehart, Inc, 1941.

Cita MLA (8a ed.)

Gullette, George A., y James McNab McCrimmon. Writing Effectively: An Introduction to the Elements of Grammar, Composition, and Usage, with Graded Exercises. Farrar & Rinehart, Inc, 1941.