USGS Patuxent Wildlife Research Center :
current research products, September 1997 - February 1999.

APA Citation

Patuxent Wildlife Research Center. (1999). USGS Patuxent Wildlife Research Center: current research products, September 1997 - February 1999. [Laurel, Md.?]: The Center.

MLA Citation

Patuxent Wildlife Research Center. USGS Patuxent Wildlife Research Center: Current Research Products, September 1997 - February 1999. [Laurel, Md.?]: The Center, 1999.

Warning: These citations may not always be complete (especially for serials).