APA (7 ম সংস্করণ) উদ্ধৃতি

Haffer, J. (2007). Ornithology, Evolution, and Philosophy: The Life and Science of Ernst Mayr 19042005. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-71779-9

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Haffer, Jrgen. Ornithology, Evolution, and Philosophy: The Life and Science of Ernst Mayr 19042005. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. https://doi.org/10.1007/978-3-540-71779-9.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Haffer, Jrgen. Ornithology, Evolution, and Philosophy: The Life and Science of Ernst Mayr 19042005. Springer Berlin Heidelberg, 2007. https://doi.org/10.1007/978-3-540-71779-9.