Cita APA (7a ed.)

Wright, L. O. (1929). The indicative function of the -RA verb form. [s.n.].

Cita Chicago Style (17a ed.)

Wright, Leavitt Olds. The Indicative Function of the -RA Verb Form. [S.l.]: [s.n.], 1929.

Cita MLA (9a ed.)

Wright, Leavitt Olds. The Indicative Function of the -RA Verb Form. [s.n.], 1929.