APA (7th ed.) Citation

Sphere Project. (1998). Humanitarian charter and minimum standards in disaster response. Sphere Project.

Chicago Style (17th ed.) Citation

Sphere Project. Humanitarian Charter and Minimum Standards in Disaster Response. Geneva: Sphere Project, 1998.

MLA (9th ed.) Citation

Sphere Project. Humanitarian Charter and Minimum Standards in Disaster Response. Sphere Project, 1998.

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