APA (7 ম সংস্করণ) উদ্ধৃতি

Nichols, J. E. (1957). Livestock improvement in relation to heredity and environment (4th ed.). Oliver and Boyd.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Nichols, J. E. Livestock Improvement in Relation to Heredity and Environment. 4th ed. Edinburgh [Lothian]: Oliver and Boyd, 1957.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Nichols, J. E. Livestock Improvement in Relation to Heredity and Environment. 4th ed. Oliver and Boyd, 1957.