APA (7th ed.) Citation

Prömel, H. J., & Voigt, B. (1989). Aspects of Ramsey-theory.

Chicago Style (17th ed.) Citation

Prömel, Hans Jürgen, and Bernd Voigt. Aspects of Ramsey-theory. Bonn, 1989.

MLA (9th ed.) Citation

Prömel, Hans Jürgen, and Bernd Voigt. Aspects of Ramsey-theory. 1989.

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