APA (7th ed.) Citation

OECD, Bonning, E., & Roeloffs, K. (1961). Three German universities Aachen, Bochum, Konstanz. Coles Publ.Comp.

Chicago Style (17th ed.) Citation

OECD, E. Bonning, and K. Roeloffs. Three German Universities Aachen, Bochum, Konstanz. Coles Publ.Comp, 1961.

MLA (8th ed.) Citation

OECD, et al. Three German Universities Aachen, Bochum, Konstanz. Coles Publ.Comp, 1961.

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