APA (7th ed.) Citation

Marianne, S. (2021). Helmut Seel. 28. Februar 1933 – 14. April 2021. Sciendo.

Chicago Style (17th ed.) Citation

Marianne, Soff. Helmut Seel. 28. Februar 1933 – 14. April 2021. Sciendo, 2021.

MLA (9th ed.) Citation

Marianne, Soff. Helmut Seel. 28. Februar 1933 – 14. April 2021. Sciendo, 2021.

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