Cita APA (7a ed.)

Tovar, A., & Houghton, H. P. (1957). The Basque language. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Tovar, Antonio, y Herbert Pierrepont Houghton. The Basque Language. Philadelphia: University of Pennsylvania Press, 1957.

Cita MLA (9a ed.)

Tovar, Antonio, y Herbert Pierrepont Houghton. The Basque Language. University of Pennsylvania Press, 1957.