APA (7th ed.) Citation

Rivera González, G. (1988). Tubos de concreto.

Chicago Style (17th ed.) Citation

Rivera González, Gerardo. Tubos De Concreto. San José, Costa Rica, 1988.

MLA (9th ed.) Citation

Rivera González, Gerardo. Tubos De Concreto. 1988.

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