Citazione APA

Houghton, F. (1911). First lessons in English for foreigners in evening schools. American Book Co.

Stile di citazione Chicago

Houghton, Frederick. First Lessons in English for Foreigners in Evening Schools. New York, Cincinati [etc.]: American Book Co, 1911.

Citazione MLA

Houghton, Frederick. First Lessons in English for Foreigners in Evening Schools. American Book Co, 1911.