APA (7th ed.) Citation

Malthus, T. R., & Malthus, T. R. (1960). An essay on population. J.M. Dent.

Chicago Style (17th ed.) Citation

Malthus, Thomas Robert, and Thomas R. Malthus. An Essay on Population. J.M. Dent, 1960.

MLA (9th ed.) Citation

Malthus, Thomas Robert, and Thomas R. Malthus. An Essay on Population. J.M. Dent, 1960.

Warning: These citations may not always be 100% accurate.