توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Godwin, W. (1964). Of population: An enquiry concerning the power of increase in the numbers of mankind, being an answer to Mr. Malthus's essay on that subject (1820). Kelley.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Godwin, William. Of Population: An Enquiry Concerning the Power of Increase in the Numbers of Mankind, Being an Answer to Mr. Malthus's Essay on That Subject (1820). New York: Kelley, 1964.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Godwin, William. Of Population: An Enquiry Concerning the Power of Increase in the Numbers of Mankind, Being an Answer to Mr. Malthus's Essay on That Subject (1820). Kelley, 1964.