APA (7th ed.) Citation

Loeffelholz, H. D. v., Sieveking, K., & Heilemann, U. (2004). Was ist zu tun? Duncker & Humblot.

Chicago Style (17th ed.) Citation

Loeffelholz, Hans Dietrich von, Klaus Sieveking, and Ullrich Heilemann. Was Ist Zu Tun? Duncker & Humblot, 2004.

MLA (9th ed.) Citation

Loeffelholz, Hans Dietrich von, et al. Was Ist Zu Tun? Duncker & Humblot, 2004.

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