APA (7th ed.) Citation

Jenkins, G., & Bear, M. (2008). Tarquin Number Challenges. Tarquin Publications.

Chicago Style (17th ed.) Citation

Jenkins, Gerald, and Magdalen Bear. Tarquin Number Challenges. Tarquin Publications, 2008.

MLA (9th ed.) Citation

Jenkins, Gerald, and Magdalen Bear. Tarquin Number Challenges. Tarquin Publications, 2008.

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