APA (7 ম সংস্করণ) উদ্ধৃতি

Sjöberg, R. (1994). Bedrock caves and fractured rock surfaces in Sweden: Occurence and origin. Paleogeophysics & Geodynamics, Stockholm University.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Sjöberg, Rabbe. Bedrock Caves and Fractured Rock Surfaces in Sweden: Occurence and Origin. Stockholm, Sweden: Paleogeophysics & Geodynamics, Stockholm University, 1994.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Sjöberg, Rabbe. Bedrock Caves and Fractured Rock Surfaces in Sweden: Occurence and Origin. Paleogeophysics & Geodynamics, Stockholm University, 1994.