APA (7th ed.) Citation

Wockel, M. (1994). Who's Who in (European) Commerce and Industry. Bd. 1 (9. ed.). Wockel.

Chicago Style (17th ed.) Citation

Wockel, Manfred. Who's Who in (European) Commerce and Industry. Bd. 1. 9. ed. Berlin: Wockel, 1994.

MLA (9th ed.) Citation

Wockel, Manfred. Who's Who in (European) Commerce and Industry. Bd. 1. 9. ed. Wockel, 1994.