APA (7th ed.) Citation

Pörtner, M. (2019). Archivmaterialien zu Marlis Pörtner, 1933-2020.

Chicago Style (17th ed.) Citation

Pörtner, Marlis. Archivmaterialien Zu Marlis Pörtner, 1933-2020. 2019.

MLA (8th ed.) Citation

Pörtner, Marlis. Archivmaterialien Zu Marlis Pörtner, 1933-2020. 2019.

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