APA (7th ed.) Citation

Bielfeldt, M., & Brisch, B. (1998). Digitale Signatur (Stand: August 1998.).

Chicago Style (17th ed.) Citation

Bielfeldt, Maike, and Britta Brisch. Digitale Signatur. Stand: August 1998. Bonn, 1998.

MLA (9th ed.) Citation

Bielfeldt, Maike, and Britta Brisch. Digitale Signatur. Stand: August 1998. 1998.

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