APA (7th ed.) Citation
(2020). Dialogue Marketing: Ecological Sustainability of Letter and E-Mail in Comparison in Germany. Journal of Environmental Sustainability.
Chicago Style (17th ed.) Citation
"Dialogue Marketing: Ecological Sustainability of Letter and E-Mail in Comparison in Germany." Journal of Environmental Sustainability 2020.
MLA (9th ed.) Citation
"Dialogue Marketing: Ecological Sustainability of Letter and E-Mail in Comparison in Germany." Journal of Environmental Sustainability, 2020.
Warning: These citations may not always be 100% accurate.