APA (7th ed.) Citation

(1985). Fortschritte der Echokardiographie. Springer.

Chicago Style (17th ed.) Citation

Fortschritte Der Echokardiographie. Berlin [u.a.]: Springer, 1985.

MLA (9th ed.) Citation

Fortschritte Der Echokardiographie. Springer, 1985.

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