APA (7th ed.) Citation

SP-afdeling Essen. (1992). Aardgas: De zuivere keuze? Essen: SP-afdeling Essen.

Chicago Style (17th ed.) Citation

SP-afdeling Essen. Aardgas: De Zuivere Keuze? Essen: SP-afdeling Essen, 1992.

MLA (8th ed.) Citation

SP-afdeling Essen. Aardgas: De Zuivere Keuze? Essen: SP-afdeling Essen, 1992.

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