APA (7th ed.) Citation

Vogel, H., & Vogel, H. J. .

Chicago Style (17th ed.) Citation

Vogel, Hans-Jochen, and Hans Jochen Vogel. .

MLA (9th ed.) Citation

Vogel, Hans-Jochen, and Hans Jochen Vogel. .

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