APA (7th ed.) Citation

Block, D. A. (1960). Sand and gravel resources of Kane County, Illinois. [publisher not identified].

Chicago Style (17th ed.) Citation

Block, Douglas A. Sand and Gravel Resources of Kane County, Illinois. Urbana: [publisher not identified], 1960.

MLA (9th ed.) Citation

Block, Douglas A. Sand and Gravel Resources of Kane County, Illinois. [publisher not identified], 1960.

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