Cita APA (7a ed.)

Viola Alles, A., Schroeder, P., & Kasdorf, H. (1979). Value and indications of laparotomy in Hodgkin's disease with exclusive abdominal presentation.

Cita Chicago Style (17a ed.)

Viola Alles, Alberto, Patricia Schroeder, y Helmuth Kasdorf. Value and Indications of Laparotomy in Hodgkin's Disease with Exclusive Abdominal Presentation. 1979.

Cita MLA (9a ed.)

Viola Alles, Alberto, et al. Value and Indications of Laparotomy in Hodgkin's Disease with Exclusive Abdominal Presentation. 1979.