APA (7th ed.) Citation

Birk, K. (1977). "Die perinatale kindliche Sterblichkeit an der II.

Chicago Style (17th ed.) Citation

Birk, Karl. "Die Perinatale Kindliche Sterblichkeit an Der II. 1977.

MLA (9th ed.) Citation

Birk, Karl. "Die Perinatale Kindliche Sterblichkeit an Der II. 1977.

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