APA (7th ed.) Citation

Sphere Project. (2011). Humanitarian charter and minimum standards in humanitarian response / the Sphere Project (3rd ed.). Sphere Project.

Chicago Style (17th ed.) Citation

Sphere Project. Humanitarian Charter and Minimum Standards in Humanitarian Response / the Sphere Project. 3rd ed. Rugby: Sphere Project, 2011.

MLA (9th ed.) Citation

Sphere Project. Humanitarian Charter and Minimum Standards in Humanitarian Response / the Sphere Project. 3rd ed. Sphere Project, 2011.

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