APA (7th ed.) Citation

Sütterlin, S., Paap, M. C. S., Babic, S., Kübler, A., & Vögele, C. Rumination and Age: Some Things Get Better. Wiley.

Chicago Style (17th ed.) Citation

Sütterlin, Stefan, Muirne C. S. Paap, Stana Babic, Andrea Kübler, and Claus Vögele. Rumination and Age: Some Things Get Better. Wiley.

MLA (9th ed.) Citation

Sütterlin, Stefan, et al. Rumination and Age: Some Things Get Better. Wiley.