Cita APA (7a ed.)

Eiguren, J. V. (1968). Introduction to Basque: Method to learn to speak Basque. [s.n.].

Cita Chicago Style (17a ed.)

Eiguren, Joe V. Introduction to Basque: Method to Learn to Speak Basque. [S.l.]: [s.n.], 1968.

Cita MLA (9a ed.)

Eiguren, Joe V. Introduction to Basque: Method to Learn to Speak Basque. [s.n.], 1968.