APA (7th ed.) Citation

Held, P. (1983). Sonographie der Schilddrüse.

Chicago Style (17th ed.) Citation

Held, Paul. Sonographie Der Schilddrüse. 1983.

MLA (9th ed.) Citation

Held, Paul. Sonographie Der Schilddrüse. 1983.

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