APA (7th ed.) Citation

Clemens, W. M. (1975). Mark Twain: His life and work : a biographical sketch. Folcroft Library Editions.

Chicago Style (17th ed.) Citation

Clemens, William Montgomery. Mark Twain: His Life and Work : A Biographical Sketch. Folcroft, Pa.: Folcroft Library Editions, 1975.

MLA (9th ed.) Citation

Clemens, William Montgomery. Mark Twain: His Life and Work : A Biographical Sketch. Folcroft Library Editions, 1975.