Citação norma APA

Chiang, T., Hung, C., Wang, W., Lee, J., & Yang, F. (2013). Recreational Nitrous Oxide Abuse-Induced Vitamin B12 Deficiency in a Patient Presenting with Hyperpigmentation of the Skin. S. Karger AG.

Citação norma Chicago

Chiang, Tsung-Ta, Chih-Tsung Hung, Wei-Ming Wang, Jiunn-Tay Lee, and Fu-Chi Yang. Recreational Nitrous Oxide Abuse-Induced Vitamin B12 Deficiency in a Patient Presenting With Hyperpigmentation of the Skin. S. Karger AG, 2013.

Citação norma MLA

Chiang, Tsung-Ta, et al. Recreational Nitrous Oxide Abuse-Induced Vitamin B12 Deficiency in a Patient Presenting With Hyperpigmentation of the Skin. S. Karger AG, 2013.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.