Gaya APA

Hertel, F, R. (2017). Social Mobility in the 20th Century . Wiesbaden:Springer VS; 201: Wiesbaden:Springer VS; 201.

Gaya MLA

Hertel, Florian, R.. "Social Mobility in the 20th Century". Wiesbaden:Springer VS; 201: Wiesbaden:Springer VS; 201, 2017. Text.