Catalogue of the fossil birds in the British Museum (Natural History) ...
By Richard Lydekker, B.A.

APA Citation

British Museum (Natural History). Department of Geology., Lydekker, R. (1891). Catalogue of the fossil birds in the British Museum (Natural History) ... London: Printed by order of the Trustees.

MLA Citation

British Museum (Natural History). Department of Geology, and Richard Lydekker. Catalogue of the Fossil Birds In the British Museum (Natural History) ... London: Printed by order of the Trustees, 1891.

Warning: These citations may not always be complete (especially for serials).