APA (7th ed.) Citation

Quiroz, E. (2011). The environmental challenge. 10 Francs.

Chicago Style (17th ed.) Citation

Quiroz, Eduardo. The Environmental Challenge. Paris, France: 10 Francs, 2011.

MLA (9th ed.) Citation

Quiroz, Eduardo. The Environmental Challenge. 10 Francs, 2011.

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