APA Citation

Parks, D. H., & Parks, D. H. (1948). National economy of Costa Rica. Washington: Pan American Union.

Chicago Style Citation

Parks, Douglas H., and Douglas H. Parks. National Economy of Costa Rica. Washington: Pan American Union, 1948.

MLA Citation

Parks, Douglas H., and Douglas H. Parks. National Economy of Costa Rica. Washington: Pan American Union, 1948.

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