APA

Shimer H. W., . (1948). An introduction to the study of fossils. New York: The MacMillan Company.

Chicago

Shimer Hervey Woodburn, . 1948. An introduction to the study of fossils. New York: The MacMillan Company.

Harvard

Shimer H. W., . (1948). An introduction to the study of fossils. New York: The MacMillan Company.

MLA

Shimer Hervey Woodburn, . An introduction to the study of fossils. New York: The MacMillan Company. 1948.