APA način citiranja (7. izdanje)

Balla Jiř̕, Mach Richard, & University of Defence. Main Resistances To Motion In Gatling Weapons.

Čikaški stil citiranja (17. izdanje)

Balla Jiř̕, Mach Richard, i University of Defence. Main Resistances To Motion In Gatling Weapons.

MLA način citiranja (9. izdanje)

Balla Jiř̕, et al. Main Resistances To Motion In Gatling Weapons.