APA (7th ed.) Citation

Ecker, R. (1989). Hygiene in der Zahnarztpraxis.

Chicago Style (17th ed.) Citation

Ecker, Rolf. Hygiene in Der Zahnarztpraxis. 1989.

MLA (9th ed.) Citation

Ecker, Rolf. Hygiene in Der Zahnarztpraxis. 1989.

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