APA Citation

Sing Avila, J. C., & Sing Avila, J. C. (1985). "La naturalizacion en Costa Rica". San José, C.R.

Chicago Style Citation

Sing Avila, Juan Carlos, and Juan Carlos Sing Avila. "La Naturalizacion En Costa Rica". San José, C.R, 1985.

MLA Citation

Sing Avila, Juan Carlos, and Juan Carlos Sing Avila. "La Naturalizacion En Costa Rica". San José, C.R, 1985.

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