APA (7th ed.) Citation

Pilon, D., & Pilon, T. (2012). USE A CABEÇA! ÁLGEBRA. Alta Books.

Chicago Style (17th ed.) Citation

Pilon, Dan, and Tracey Pilon. USE A CABEÇA! ÁLGEBRA. [Place of publication not identified]: Alta Books, 2012.

MLA (9th ed.) Citation

Pilon, Dan, and Tracey Pilon. USE A CABEÇA! ÁLGEBRA. Alta Books, 2012.