APA (7th ed.) Citation

Mammen, E., Wilke, R. A., & Zapp, K. M. (2022). Estimation of group structures in panel models with individual fixed effects. Discussion paper.

Chicago Style (17th ed.) Citation

Mammen, Enno, Ralf A. Wilke, and Kristina Maria Zapp. "Estimation of Group Structures in Panel Models with Individual Fixed Effects." Discussion Paper 2022.

MLA (9th ed.) Citation

Mammen, Enno, et al. "Estimation of Group Structures in Panel Models with Individual Fixed Effects." Discussion Paper, 2022.

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