Cita APA (7th ed.)

Hivnor, R. H. (1949). Too many thumbs: A three-act play. University of Minnesota Press.

Cita Chicago (17th ed.)

Hivnor, Robert Hanks. Too Many Thumbs: A Three-act Play. Minneapolis: University of Minnesota Press, 1949.

Cita MLA (8th ed.)

Hivnor, Robert Hanks. Too Many Thumbs: A Three-act Play. University of Minnesota Press, 1949.