APA引文

Retana Alvarado, D. A., Vázquez Bernal, B., & Camacho Álvarez, M. M. (2018). Science and Technology Fairs of Costa Rica and their contributions to Secondary Education.

Citación estilo Chicago

Retana Alvarado, Diego Armando, Bartolomé Vázquez Bernal, y María Marta Camacho Álvarez. Science and Technology Fairs of Costa Rica and Their Contributions to Secondary Education. 2018.

MLA引文

Retana Alvarado, Diego Armando, Bartolomé Vázquez Bernal, y María Marta Camacho Álvarez. Science and Technology Fairs of Costa Rica and Their Contributions to Secondary Education. 2018.

警告：這些引文格式不一定是100％准確.