APA (7th ed.) Citation

Steffen, J. (2018). Biographie Jochen Steffen.

Chicago Style (17th ed.) Citation

Steffen, Jens-Peter. Biographie Jochen Steffen. 2018.

MLA (9th ed.) Citation

Steffen, Jens-Peter. Biographie Jochen Steffen. 2018.

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