Cita APA (7th ed.)

Elson, B. (1947). Sierra Popoluca syllable structure. s.n.].

Cita Chicago (17th ed.)

Elson, Ben. Sierra Popoluca Syllable Structure. [s.l: s.n.], 1947.

Cita MLA (9th ed.)

Elson, Ben. Sierra Popoluca Syllable Structure. s.n.], 1947.