Cita APA (7a ed.)
Grešš, M., & Ermilova, M. I. Northern Sea Route and Its Geoeconomic Importance.
Cita Chicago Style (17a ed.)
Grešš, Martin, y Mariia I. Ermilova. Northern Sea Route and Its Geoeconomic Importance.
Cita MLA (9a ed.)
Grešš, Martin, y Mariia I. Ermilova. Northern Sea Route and Its Geoeconomic Importance.
Precaución: Estas citas no son 100% exactas.