Cita APA (7a ed.)

King, G., & Barnett, G. E. (1936). Two tracts. John Hopkins.

Cita Chicago Style (17a ed.)

King, Gregory, y George Ernest Barnett. Two Tracts. Baltimore: John Hopkins, 1936.

Cita MLA (9a ed.)

King, Gregory, y George Ernest Barnett. Two Tracts. John Hopkins, 1936.