APA (7th ed.) Citation

Weck, H., Pommerehne, W. W., & Frey, B. S. (1984). Schattenwirtschaft. Vahlen.

Chicago Style (17th ed.) Citation

Weck, Hannelore, Werner W. Pommerehne, and Bruno S. Frey. Schattenwirtschaft. München: Vahlen, 1984.

MLA (9th ed.) Citation

Weck, Hannelore, et al. Schattenwirtschaft. Vahlen, 1984.

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