APA (7th ed.) Citation

Snape, C., & Scott, H. Desafíos matemáticos.

Chicago Style (17th ed.) Citation

Snape, Charles, and Heather Scott. Desafíos Matemáticos.

MLA (8th ed.) Citation

Snape, Charles, and Heather Scott. Desafíos Matemáticos.

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