Gaya APA

Ahbe, S. et al (2018). The Ecological Scarcity Method for the European Union (1st ed. 2018). : Springer Fachmedien Wiesbaden.

Gaya MLA

Ahbe, Stephan. et al. "The Ecological Scarcity Method for the European Union". 1st ed. 2018 : Springer Fachmedien Wiesbaden, 2018. Electronic Resource.