APA (7th ed.) Citation

Fritsch, D. (1994). Professor Friedrich Ackermann 65 Jahre.

Chicago Style (17th ed.) Citation

Fritsch, Dieter. Professor Friedrich Ackermann 65 Jahre. 1994.

MLA (9th ed.) Citation

Fritsch, Dieter. Professor Friedrich Ackermann 65 Jahre. 1994.

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