APA (7th ed.) Citation

Wu, D. F., & Schneider, F. (2019). Nonlinearity between the shadow economy and level of development. Bonn.

Chicago Style (17th ed.) Citation

Wu, Dong Frank, and Friedrich Schneider. Nonlinearity Between the Shadow Economy and Level of Development. Bonn, 2019.

MLA (8th ed.) Citation

Wu, Dong Frank, and Friedrich Schneider. Nonlinearity Between the Shadow Economy and Level of Development. Bonn, 2019.

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