APA (7th ed.) Citation

Duncker, H. (1971). The Lung Air Sac System of Birds: A contribution to the functional anatomy of the respiratory apparatus. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Duncker, Hans-Rainer. The Lung Air Sac System of Birds: A Contribution to the Functional Anatomy of the Respiratory Apparatus. Berlin, Heidelberg: Springer Berlin Heidelberg, 1971.

MLA (9th ed.) Citation

Duncker, Hans-Rainer. The Lung Air Sac System of Birds: A Contribution to the Functional Anatomy of the Respiratory Apparatus. Springer Berlin Heidelberg, 1971.