APA (7 ম সংস্করণ) উদ্ধৃতি

Sagarin, R., & Pauchard, A. (2012). Observation and ecology: Broadening the scope of science to understand a complex world. Island Press/Center for Resource Economics.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Sagarin, Rafe, এবং Aníbal Pauchard. Observation and Ecology: Broadening the Scope of Science to Understand a Complex World. Washington, DC: Island Press/Center for Resource Economics, 2012.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Sagarin, Rafe, এবং Aníbal Pauchard. Observation and Ecology: Broadening the Scope of Science to Understand a Complex World. Island Press/Center for Resource Economics, 2012.