Cita APA (7a ed.)

Tapinos, G., Piotrow, P. T., & Morse, E. L. (1980). Six billion people: Demographic dilemmas and world politics. McGraw Hill Book Company.

Cita Chicago Style (17a ed.)

Tapinos, Georges, Phyllis T. Piotrow, y Edward L. Morse. Six Billion People: Demographic Dilemmas and World Politics. Nueva York: McGraw Hill Book Company, 1980.

Cita MLA (8a ed.)

Tapinos, Georges, et al. Six Billion People: Demographic Dilemmas and World Politics. McGraw Hill Book Company, 1980.