APA

Guthke K. S., . (1966). Modern tragicomedy: an investigation into the nature of the genre. New York: Random House.

Chicago

Guthke Karl Siegfried, . 1966. Modern tragicomedy: an investigation into the nature of the genre. New York: Random House.

Harvard

Guthke K. S., . (1966). Modern tragicomedy: an investigation into the nature of the genre. New York: Random House.

MLA

Guthke Karl Siegfried, . Modern tragicomedy: an investigation into the nature of the genre. New York: Random House. 1966.