APA (7th ed.) Citation

Stumpf, E. A. (2011). Alexander Ruppert.

Chicago Style (17th ed.) Citation

Stumpf, Egon A. Alexander Ruppert. 2011.

MLA (9th ed.) Citation

Stumpf, Egon A. Alexander Ruppert. 2011.

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