APA (7th ed.) Citation

Malthus, T. R. (2001). An Essay on the principle of population. Electric Book Co.

Chicago Style (17th ed.) Citation

Malthus, Thomas Robert. An Essay on the Principle of Population. London: Electric Book Co, 2001.

MLA (9th ed.) Citation

Malthus, Thomas Robert. An Essay on the Principle of Population. Electric Book Co, 2001.

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