APA (7th ed.) Citation

ZOPF, P. E. Population: An introduction to social demography. Mayfield.

Chicago Style (17th ed.) Citation

ZOPF, Paul E. Population: An Introduction to Social Demography. Mayfield.

MLA (8th ed.) Citation

ZOPF, Paul E. Population: An Introduction to Social Demography. Mayfield.

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