Cita APA (7a ed.)

Tewes, D. (1987). Dietrich Erdmann.

Cita Chicago Style (17a ed.)

Tewes, Detlef. Dietrich Erdmann. Wuppertal, 1987.

Cita MLA (8a ed.)

Tewes, Detlef. Dietrich Erdmann. 1987.