APA (7th ed.) Citation

Wallance Edwards. (2006). Maths Challenges. Angel Publishing.

Chicago Style (17th ed.) Citation

Wallance Edwards. Maths Challenges. India: Angel Publishing, 2006.

MLA (9th ed.) Citation

Wallance Edwards. Maths Challenges. Angel Publishing, 2006.

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