APA (7th ed.) Citation

Keller, N. (2016). Essays on immigration policies. https://doi.org/10.11588/heidok.00021560

Chicago Style (17th ed.) Citation

Keller, Nicolas. Essays on Immigration Policies. Heidelberg, 2016. https://doi.org/10.11588/heidok.00021560.

MLA (9th ed.) Citation

Keller, Nicolas. Essays on Immigration Policies. 2016. https://doi.org/10.11588/heidok.00021560.

Warning: These citations may not always be 100% accurate.