Cita APA (7a ed.)

Coolidge, O. E. (1966). Eugene O'Neill. Charles Scribner's Sons.

Cita Chicago Style (17a ed.)

Coolidge, Olivia E. Eugene O'Neill. New York: Charles Scribner's Sons, 1966.

Cita MLA (9a ed.)

Coolidge, Olivia E. Eugene O'Neill. Charles Scribner's Sons, 1966.