Cita APA (7a ed.)

Larrea Sagarmínaga, M. Á., & Mieza Mieg, R. M. (1985). Introduction to the history of the Basque Country. [s.n.].

Cita Chicago Style (17a ed.)

Larrea Sagarmínaga, María Ángeles, y Rafael María Mieza Mieg. Introduction to the History of the Basque Country. [S.l.]: [s.n.], 1985.

Cita MLA (9a ed.)

Larrea Sagarmínaga, María Ángeles, y Rafael María Mieza Mieg. Introduction to the History of the Basque Country. [s.n.], 1985.