APA (7th ed.) Citation

Carvalho, G. S. d., Silva, R. M. C. d., Lima, N., Coquet, E., & Clément, P. (2004). Portuguese primary school children’s conceptions about digestion: Identification of learning obstacles.

Chicago Style (17th ed.) Citation

Carvalho, Graça Simões de, Rui Manuel Correia da Silva, Nelson Lima, Eduarda Coquet, and Pierre Clément. Portuguese Primary School Children’s Conceptions About Digestion: Identification of Learning Obstacles. 2004.

MLA (8th ed.) Citation

Carvalho, Graça Simões de, et al. Portuguese Primary School Children’s Conceptions About Digestion: Identification of Learning Obstacles. 2004.