APA (7th ed.) Citation

Owen, R. (2013). Valentine's Day origami. PowerKids Press.

Chicago Style (17th ed.) Citation

Owen, Ruth. Valentine's Day Origami. New York: PowerKids Press, 2013.

MLA (8th ed.) Citation

Owen, Ruth. Valentine's Day Origami. PowerKids Press, 2013.

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