APA Style
Frey, Bruno S.. (2018).
Economics of Happiness .
Switzerland:
Springer.
Chicago Style
Frey, Bruno S..
Economics of Happiness.
Switzerland:
Springer,
2018.
Text.
MLA Style
Frey, Bruno S..
Economics of Happiness.
Switzerland:
Springer,
2018.
Text.
Turabian Style
Frey, Bruno S..
Economics of Happiness.
Switzerland:
Springer,
2018.
Print.