APA Citation

Rosero Bixby, L. (2008). The exceptionally high life expectancy of Costa Rican nonagenarians.

Chicago Style Citation

Rosero Bixby, Luis. The Exceptionally High Life Expectancy of Costa Rican Nonagenarians. 2008.

MLA Citation

Rosero Bixby, Luis. The Exceptionally High Life Expectancy of Costa Rican Nonagenarians. 2008.

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