APA (7th ed.) Citation

Williams, R. J. (2018). Contemporary challenges. Refugee policies from 1933 until today.

Chicago Style (17th ed.) Citation

Williams, Robert J. "Contemporary Challenges." Refugee Policies from 1933 Until Today 2018.

MLA (8th ed.) Citation

Williams, Robert J. "Contemporary Challenges." Refugee Policies from 1933 Until Today, 2018.

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