APA (7th ed.) Citation

Carreiro, G. L. (2013). Presidency in the United States. Nova Publishers.

Chicago Style (17th ed.) Citation

Carreiro, Gabriel L. Presidency in the United States. New York: Nova Publishers, 2013.

MLA (8th ed.) Citation

Carreiro, Gabriel L. Presidency in the United States. Nova Publishers, 2013.

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