APA (7th ed.) Citation

Hollick, C. A. (1906). The cretaceous flora of southern New York and New England. Gov. Print. Off.

Chicago Style (17th ed.) Citation

Hollick, Charles Arthur. The Cretaceous Flora of Southern New York and New England. Washington: Gov. Print. Off, 1906.

MLA (9th ed.) Citation

Hollick, Charles Arthur. The Cretaceous Flora of Southern New York and New England. Gov. Print. Off, 1906.