APA (7th ed.) Citation

Drucker, P. F. (2019). Archivmaterialien zu Peter F. Drucker, 1909-2005.

Chicago Style (17th ed.) Citation

Drucker, Peter F. Archivmaterialien Zu Peter F. Drucker, 1909-2005. 2019.

MLA (9th ed.) Citation

Drucker, Peter F. Archivmaterialien Zu Peter F. Drucker, 1909-2005. 2019.

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