Cita APA

De Voto, B. (1967). Mark Twain's America and Mark Twain at work. Boston: Houghton Mifflin Co..

Chicago Style Citation

De Voto, Bernard. Mark Twain's America and Mark Twain At Work. Boston: Houghton Mifflin Co., 1967.

Cita MLA

De Voto, Bernard. Mark Twain's America and Mark Twain At Work. Boston: Houghton Mifflin Co., 1967.

Atenció: Aquestes cites poden no estar 100% correctes.