APA (7th ed.) Citation

Fragner, W. (1955). Geometrie des Sehnentangentenvierecks. Oldenbourg.

Chicago Style (17th ed.) Citation

Fragner, Wolfram. Geometrie Des Sehnentangentenvierecks. München: Oldenbourg, 1955.

MLA (9th ed.) Citation

Fragner, Wolfram. Geometrie Des Sehnentangentenvierecks. Oldenbourg, 1955.

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