Cita APA (7a ed.)

O'Rourke, P. (1994). All the trouble in the world: The lighter side of overpopulation, famine, ecological disaster, ethnic hatred, plague, and poverty. Atlantic Monthly Press.

Cita Chicago Style (17a ed.)

O'Rourke, P.J. All the Trouble in the World: The Lighter Side of Overpopulation, Famine, Ecological Disaster, Ethnic Hatred, Plague, and Poverty. New York: Atlantic Monthly Press, 1994.

Cita MLA (9a ed.)

O'Rourke, P.J. All the Trouble in the World: The Lighter Side of Overpopulation, Famine, Ecological Disaster, Ethnic Hatred, Plague, and Poverty. Atlantic Monthly Press, 1994.