Style de citation APA (7e éd.)

AN ULLMANN'S. (1999). An Ullmann's encyclopedia industrial inorganic chemicals and products volume 3: Fertilizers to hydrogen. Wiley-VCH.

Style de citation Chicago (17e éd.)

AN ULLMANN'S. An Ullmann's Encyclopedia Industrial Inorganic Chemicals and Products Volume 3: Fertilizers to Hydrogen. Weinheim: Wiley-VCH, 1999.

Style de citation MLA (9e éd.)

AN ULLMANN'S. An Ullmann's Encyclopedia Industrial Inorganic Chemicals and Products Volume 3: Fertilizers to Hydrogen. Wiley-VCH, 1999.