APA (7th ed.) Citation

Op de Beeck, G. fo022839: Steenkoolmijn, Waterschei.

Chicago Style (17th ed.) Citation

Op de Beeck, Gerrit. Fo022839: Steenkoolmijn, Waterschei.

MLA (8th ed.) Citation

Op de Beeck, Gerrit. Fo022839: Steenkoolmijn, Waterschei.

Warning: These citations may not always be 100% accurate.