APA (7th ed.) Citation

Gatrell, P. (2017). The forty years' crisis: Making the connections. Refugees in Europe, 1919 - 1959.

Chicago Style (17th ed.) Citation

Gatrell, Peter. "The Forty Years' Crisis: Making the Connections." Refugees in Europe, 1919 - 1959 2017.

MLA (8th ed.) Citation

Gatrell, Peter. "The Forty Years' Crisis: Making the Connections." Refugees in Europe, 1919 - 1959, 2017.