APA (7th ed.) Citation

Mixer, K. (1926). Porto Rico: History and conditions social, economic and political. Macmillan.

Chicago Style (17th ed.) Citation

Mixer, Knowlton. Porto Rico: History and Conditions Social, Economic and Political. New York: Macmillan, 1926.

MLA (9th ed.) Citation

Mixer, Knowlton. Porto Rico: History and Conditions Social, Economic and Political. Macmillan, 1926.

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