APA Style

Lutz, Wolfgang. (2009). The Future Population of the World: What can we assume today? . USA: Earthscan.

Chicago Style

Lutz, Wolfgang. The Future Population of the World: What can we assume today?. USA: Earthscan, 2009. Text.

MLA Style

Lutz, Wolfgang. The Future Population of the World: What can we assume today?. USA: Earthscan, 2009. Text.

Turabian Style

Lutz, Wolfgang. The Future Population of the World: What can we assume today?. USA: Earthscan, 2009. Print.