APA (7th ed.) Citation

Graeff, W. (1964). Concerning the so-called G. Group.

Chicago Style (17th ed.) Citation

Graeff, Werner. Concerning the So-called G. Group. 1964.

MLA (9th ed.) Citation

Graeff, Werner. Concerning the So-called G. Group. 1964.

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