Citação norma APA

Karl, A., Tritschler, S., Hofmann, S., Stief, C., & Schindlbeck, C. (2009). Perioperative search for circulating tumor cells in patients undergoing radical cystectomy for bladder cancer. BioMed Central.

Citação norma Chicago

Karl, A., S. Tritschler, S. Hofmann, CG Stief, and C. Schindlbeck. Perioperative Search for Circulating Tumor Cells in Patients Undergoing Radical Cystectomy for Bladder Cancer. BioMed Central, 2009.

Citação norma MLA

Karl, A., et al. Perioperative Search for Circulating Tumor Cells in Patients Undergoing Radical Cystectomy for Bladder Cancer. BioMed Central, 2009.

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