APA (7th ed.) Citation

Kaa, D., Léridon, H., Gesano, G., & Okólski, M. (1999). European Populations: Unity in Diversity. Springer Netherlands.

Chicago Style (17th ed.) Citation

Kaa, Dirk, Henri Léridon, Giuseppe Gesano, and Marek Okólski. European Populations: Unity in Diversity. Dordrecht: Springer Netherlands, 1999.

MLA (9th ed.) Citation

Kaa, Dirk, et al. European Populations: Unity in Diversity. Springer Netherlands, 1999.