APA citiranje

Kaplan, J. (1966). Mr. Clemens and mark Twain. Penguin Books.

Chicago Edition Citation

Kaplan, Justin. Mr. Clemens and Mark Twain. Harmondsworth: Penguin Books, 1966.

MLA citiranje

Kaplan, Justin. Mr. Clemens and Mark Twain. Penguin Books, 1966.