Cita APA (7th ed.)
Smith, R. W. (1966). Dictionary of english word roots: English-roots and Roots-english with examples and excercises (ed.). Littlefield, Adams and Co.
Cita Chicago (17th ed.)
Smith, Robert W. Dictionary of English Word Roots: English-roots and Roots-english with Examples and Excercises. ed. New Jersey: Littlefield, Adams and Co, 1966.
Cita MLA (9th ed.)
Smith, Robert W. Dictionary of English Word Roots: English-roots and Roots-english with Examples and Excercises. ed. Littlefield, Adams and Co, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.