APA (7th ed.) Citation

Ledderose, L. (2011). Commentary on the rock. Bridges to heaven ; 2.

Chicago Style (17th ed.) Citation

Ledderose, Lothar. "Commentary on the Rock." Bridges to Heaven ; 2 2011.

MLA (9th ed.) Citation

Ledderose, Lothar. "Commentary on the Rock." Bridges to Heaven ; 2, 2011.

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