APA (7th ed.) Citation

SpringerLink (Online service), Müller, G. H., Lenski, W., & Ebbinghaus, H. (1987). [Omega]-bibliography of mathematical logic. Springer.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), G. H. Müller, Wolfgang Lenski, and H.-D Ebbinghaus. [Omega]-bibliography of Mathematical Logic. Berlin: Springer, 1987.

MLA (9th ed.) Citation

SpringerLink (Online service), et al. [Omega]-bibliography of Mathematical Logic. Springer, 1987.