APA (7th ed.) Citation

Oliveira, A. M., Batalha, L. M. d. C., Grácio, J. C. G., Fernandes, A. M., Viegas, R., & Silva, A. (2013). Metric effects of taking tears out of the Wong-Baker Faces Pain Scale.

Chicago Style (17th ed.) Citation

Oliveira, Armando Mónica, Luís Manuel da Cunha Batalha, Joana Catarina Gonçalves Grácio, Ananda Maria Fernandes, Ricardo Viegas, and Ana Silva. Metric Effects of Taking Tears Out of the Wong-Baker Faces Pain Scale. 2013.

MLA (8th ed.) Citation

Oliveira, Armando Mónica, et al. Metric Effects of Taking Tears Out of the Wong-Baker Faces Pain Scale. 2013.