Cita APA (7a ed.)

Patton, D. H., & Shank, S. (1937). Progressive word mastery. Charles E. Merrill Company.

Cita Chicago Style (17a ed.)

Patton, David Hubert, y Shank Shank. Progressive Word Mastery. New York ; Chicago: Charles E. Merrill Company, 1937.

Cita MLA (8a ed.)

Patton, David Hubert, y Shank Shank. Progressive Word Mastery. Charles E. Merrill Company, 1937.