APA (7 ম সংস্করণ) উদ্ধৃতি

Cushman, J. A., & Valentine, W. W. (1930). Shallow-water Foraminifera from the Channel Islands of Southern California. Stanford university press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Cushman, Joseph A., এবং William W. Valentine. Shallow-water Foraminifera from the Channel Islands of Southern California. Stanford, Calif.: Stanford university press, 1930.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Cushman, Joseph A., এবং William W. Valentine. Shallow-water Foraminifera from the Channel Islands of Southern California. Stanford university press, 1930.