APA (7th ed.) Citation

Blaschka, R. (1921). Blaschka, Rudolf Jul. 28, 1921. Zenodo.

Chicago Style (17th ed.) Citation

Blaschka, Rudolf. Blaschka, Rudolf Jul. 28, 1921. Zenodo, 1921.

MLA (9th ed.) Citation

Blaschka, Rudolf. Blaschka, Rudolf Jul. 28, 1921. Zenodo, 1921.

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