APA (7 ম সংস্করণ) উদ্ধৃতি

Halweil, B., Mastny, L., Assadourian, E., Starke, L., & Institute, W. (2004). State of world, 2004: A Worldwatch Institute report on progress towords a sustainable society. London : Earthscan.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Halweil, Brian, Lisa Mastny, Eric Assadourian, Linda Starke, এবং Worldwatch Institute. State of World, 2004: A Worldwatch Institute Report on Progress Towords a Sustainable Society. London : Earthscan, 2004.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Halweil, Brian, et al. State of World, 2004: A Worldwatch Institute Report on Progress Towords a Sustainable Society. London : Earthscan, 2004.