APA (7th ed.) Citation

Casper, M. (2005). Der Optionsvertrag. Ius privatum.

Chicago Style (17th ed.) Citation

Casper, Matthias. "Der Optionsvertrag." Ius Privatum 2005.

MLA (9th ed.) Citation

Casper, Matthias. "Der Optionsvertrag." Ius Privatum, 2005.

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