American Psychological Association 6th edition

Siegfried, K. [ca. 2011]. Gaseous and leaching losses of carbon and nitrogen in irrigated organic farming of a coastal oasis in Oman : effects of manure quality and cropping system [Cd]. https://doi.org/urn:nbn:de:hebis:34-2011031436508

ISO-690 (author-date, English)

SIEGFRIED, Konrad, 2011. Gaseous and leaching losses of carbon and nitrogen in irrigated organic farming of a coastal oasis in Oman : effects of manure quality and cropping system.

Modern Language Association 9th edition

Siegfried, K. Gaseous and leaching losses of carbon and nitrogen in irrigated organic farming of a coastal oasis in Oman : effects of manure quality and cropping system. cd, 2011, https://doi.org/urn:nbn:de:hebis:34-2011031436508.

Mohr Siebeck - Recht (Deutsch - Österreich)

Emerald - Harvard

Siegfried, K. (2011), Gaseous and leaching losses of carbon and nitrogen in irrigated organic farming of a coastal oasis in Oman : effects of manure quality and cropping system, verfügbar unter:https://doi.org/urn:nbn:de:hebis:34-2011031436508.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.