Cita APA (7a ed.)

Willis, H., & Cobb, C. M. (1979). Basic Usage, Vocabulary, and Composition: Lessons on Usage, Reading Selections, Writing Assignments (3rd ed.). Holt, Rinehart.

Cita Chicago Style (17a ed.)

Willis, Hulon, y Charles M. Cobb. Basic Usage, Vocabulary, and Composition: Lessons on Usage, Reading Selections, Writing Assignments. 3rd ed. New York: Holt, Rinehart, 1979.

Cita MLA (9a ed.)

Willis, Hulon, y Charles M. Cobb. Basic Usage, Vocabulary, and Composition: Lessons on Usage, Reading Selections, Writing Assignments. 3rd ed. Holt, Rinehart, 1979.