APA

Mack T., Citrin M. & Ruth G. (2006). Sherlock Holmes and the Baker Street Irregulars. New York: Orchard Books.

Chicago

Mack Tracy, Citrin Michael and Ruth Greg. 2006. Sherlock Holmes and the Baker Street Irregulars. New York: Orchard Books.

Harvard

Mack T., Citrin M. and Ruth G. (2006). Sherlock Holmes and the Baker Street Irregulars. New York: Orchard Books.

MLA

Mack Tracy, Citrin Michael and Ruth Greg. Sherlock Holmes and the Baker Street Irregulars. New York: Orchard Books. 2006.