APA (7th ed.) Citation

Spengler, J. J. (1972). Population economics: Selected essays of Joseph J. Spengler. Duke Univ. Press.

Chicago Style (17th ed.) Citation

Spengler, Joseph J. Population Economics: Selected Essays of Joseph J. Spengler. Durham, NC: Duke Univ. Press, 1972.

MLA (9th ed.) Citation

Spengler, Joseph J. Population Economics: Selected Essays of Joseph J. Spengler. Duke Univ. Press, 1972.

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