Cita APA (7a ed.)

Feldmann, M., Fischer, A., Zanders, E., & Beverley, P. (1982). Genetically restricted and unrestricted antigen specific helper factors.

Cita Chicago Style (17a ed.)

Feldmann, M., A. Fischer, E. Zanders, y P. Beverley. Genetically Restricted and Unrestricted Antigen Specific Helper Factors. 1982.

Cita MLA (9a ed.)

Feldmann, M., et al. Genetically Restricted and Unrestricted Antigen Specific Helper Factors. 1982.