Cita APA

Li, H., Fan, Q., Wang, Z., Xu, H., Li, X., Zhang, W., & Zhang, Z. (2012). Primary malignant melanoma of the duodenum without visible melanin pigment: A mimicker of lymphoma or carcinoma. BioMed Central.

Citación estilo Chicago

Li, Hongxia, Qinhe Fan, Zhen Wang, Hai Xu, Xiao Li, Weiming Zhang, y Zhihong Zhang. Primary Malignant Melanoma of the Duodenum Without Visible Melanin Pigment: A Mimicker of Lymphoma or Carcinoma. BioMed Central, 2012.

Cita MLA

Li, Hongxia, et al. Primary Malignant Melanoma of the Duodenum Without Visible Melanin Pigment: A Mimicker of Lymphoma or Carcinoma. BioMed Central, 2012.