APA (7th ed.) Citation

Tönnies, F. (1961). Custom; an essay on social codes. Free Press of Glencoe.

Chicago Style (17th ed.) Citation

Tönnies, Ferdinand. Custom; an Essay on Social Codes. New York: Free Press of Glencoe, 1961.

MLA (9th ed.) Citation

Tönnies, Ferdinand. Custom; an Essay on Social Codes. Free Press of Glencoe, 1961.

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