APA (7th ed.) Citation

Derra, E. (1973). Chirurgische Operationslehre.

Chicago Style (17th ed.) Citation

Derra, E. Chirurgische Operationslehre. Berlin, 1973.

MLA (8th ed.) Citation

Derra, E. Chirurgische Operationslehre. 1973.

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