APA (7th ed.) Citation

Grupe, H. (1958). Public Relations in der öffentlichen Energieversorgung.

Chicago Style (17th ed.) Citation

Grupe, Hans. Public Relations in Der öffentlichen Energieversorgung. 1958.

MLA (9th ed.) Citation

Grupe, Hans. Public Relations in Der öffentlichen Energieversorgung. 1958.

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