APA (7th ed.) Citation

Firman, S. G. (1916). Progressive lessons in English (Rev. ed.). D. Appleton and Co..

Chicago Style (17th ed.) Citation

Firman, Sidney G. Progressive Lessons in English. Rev. ed. New York ; Chicago: D. Appleton and Co., 1916.

MLA (8th ed.) Citation

Firman, Sidney G. Progressive Lessons in English. Rev. ed. D. Appleton and Co., 1916.