Cita APA (7a ed.)

Koltz, T. (1991). Banpiroen espresoa. Elkar.

Cita Chicago Style (17a ed.)

Koltz, Tony. Banpiroen Espresoa. Donostia: Elkar, 1991.

Cita MLA (9a ed.)

Koltz, Tony. Banpiroen Espresoa. Elkar, 1991.