Cita APA (7a ed.)

Drożdż, G., & ¡yda, A. (2014). Extension and its limits. Cambridge Scholars Publishing.

Cita Chicago Style (17a ed.)

Drożdż, Grzegorz, y Andrzej ¡yda. Extension and Its Limits. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2014.

Cita MLA (9a ed.)

Drożdż, Grzegorz, y Andrzej ¡yda. Extension and Its Limits. Cambridge Scholars Publishing, 2014.