Guidebook for annual field trip.
APA Citation
Houston Geological Society., Society of Economic Paleontologists and Mineralogists. Gulf Coast Section. Guidebook for annual field trip. [Houston, Tex.].
MLA Citation
Houston Geological Society, and Society of Economic Paleontologists and Mineralogists. Gulf Coast Section. Guidebook for Annual Field Trip. [Houston, Tex.],
Warning: These citations may not always be complete (especially for serials).