APA (7th ed.) Citation

Osborn, H. F. (1910). The age of mammals in Europe, Asia and North America. The Macmillan company.

Chicago Style (17th ed.) Citation

Osborn, Henry Fairfield. The Age of Mammals in Europe, Asia and North America. New York: The Macmillan company, 1910.

MLA (9th ed.) Citation

Osborn, Henry Fairfield. The Age of Mammals in Europe, Asia and North America. The Macmillan company, 1910.

Warning: These citations may not always be 100% accurate.