Cita APA (7th ed.)

Coolidge, O. (1966). Eugene O´Neill. Charles Scribner´s sons.

Cita Chicago (17th ed.)

Coolidge, Olivia. Eugene O´Neill. New York, Estados Unidos: Charles Scribner´s sons, 1966.

Cita MLA (9th ed.)

Coolidge, Olivia. Eugene O´Neill. Charles Scribner´s sons, 1966.