Gaya APA

Ackermann, S. et al (2015). Additional nitrogen in arctic-alpine soils and plants—a pilot study with 15NO3 and 15NHþ4 fertilization along an elevation gradient (2015, 178). New York: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Gaya MLA

Ackermann, Simone. et al. "Additional nitrogen in arctic-alpine soils and plants—a pilot study with 15NO3 and 15NHþ4 fertilization along an elevation gradient". 2015, 178 New York: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2015. e-journal.