Cita APA (7th ed.)

Houghton Mifflin. The Amerian Heritage dictionary of the english language (4a ed.).

Cita Chicago (17th ed.)

Houghton Mifflin. The Amerian Heritage Dictionary of the English Language. 4a ed.

Cita MLA (8th ed.)

Houghton Mifflin. The Amerian Heritage Dictionary of the English Language. 4a ed.