APA (7th ed.) Citation

Balz, H. M. (2021). Friedrich W. Riedel (1929-2020).

Chicago Style (17th ed.) Citation

Balz, Hans Martin. Friedrich W. Riedel (1929-2020). 2021.

MLA (9th ed.) Citation

Balz, Hans Martin. Friedrich W. Riedel (1929-2020). 2021.

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