APA (7th ed.) Citation

Angelo ,Joseph A., J. (2007). Frontier in space. Fact on file.

Chicago Style (17th ed.) Citation

Angelo ,Joseph A., Jr. Frontier in Space. New York: Fact on file, 2007.

MLA (9th ed.) Citation

Angelo ,Joseph A., Jr. Frontier in Space. Fact on file, 2007.

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