APA (7th ed.) Citation

Kessler, A., Essenwanger, O. M., & Landsberg, H. E. (1985). General climatology. Elsevier.

Chicago Style (17th ed.) Citation

Kessler, A., O. M. Essenwanger, and Helmut Erich Landsberg. General Climatology. Amsterdam, New York: Elsevier, 1985.

MLA (9th ed.) Citation

Kessler, A., et al. General Climatology. Elsevier, 1985.