APA (7th ed.) Citation

Mota, C., Ralha, E., & Estrada, M. F. (2013). The teaching of the concept of tangent line using original sources.

Chicago Style (17th ed.) Citation

Mota, Catarina, Elfrida Ralha, and Maria Fernanda Estrada. The Teaching of the Concept of Tangent Line Using Original Sources. 2013.

MLA (8th ed.) Citation

Mota, Catarina, et al. The Teaching of the Concept of Tangent Line Using Original Sources. 2013.