APA (7th ed.) Citation

Amado, N., Carreira, S., Nobre, S., & Ponte, J. P. d. (2011). Representations in solving a word problem: The informal development of formal methods.

Chicago Style (17th ed.) Citation

Amado, Nélia, Susana Carreira, Sandra Nobre, and João Pedro da Ponte. Representations in Solving a Word Problem: The Informal Development of Formal Methods. 2011.

MLA (8th ed.) Citation

Amado, Nélia, et al. Representations in Solving a Word Problem: The Informal Development of Formal Methods. 2011.