APA Citation

Janzen, D. H. (1977). Use of Santa Rosa National Park and Corcovado National Park, Costa Rica, by biologists. [S.l]: Pennsylvania.

Chicago Style Citation

Janzen, Daniel H. Use of Santa Rosa National Park and Corcovado National Park, Costa Rica, By Biologists. [S.l]: Pennsylvania, 1977.

MLA Citation

Janzen, Daniel H. Use of Santa Rosa National Park and Corcovado National Park, Costa Rica, By Biologists. [S.l]: Pennsylvania, 1977.

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