APA (7th ed.) Citation

Dixon, F. W. (2009). The hardy boys: Undercover brothers. Aladdin Paperbacks.

Chicago Style (17th ed.) Citation

Dixon, Franklin W. The Hardy Boys: Undercover Brothers. New York: Aladdin Paperbacks, 2009.

MLA (9th ed.) Citation

Dixon, Franklin W. The Hardy Boys: Undercover Brothers. Aladdin Paperbacks, 2009.

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