Cita APA (7th ed.)

May, K., & May, K. (1987). Old Surehand. Verlag Neues Leben.

Cita Chicago (17th ed.)

May, Karl, i Karl May. Old Surehand. Berlin: Verlag Neues Leben, 1987.

Cita MLA (8th ed.)

May, Karl, i Karl May. Old Surehand. Verlag Neues Leben, 1987.