Cita APA (7th ed.)

Geerken, H. (1993). Poststempel Jerusalem. Ramm.

Cita Chicago (17th ed.)

Geerken, Hartmut. Poststempel Jerusalem. Spenge: Ramm, 1993.

Cita MLA (8th ed.)

Geerken, Hartmut. Poststempel Jerusalem. Ramm, 1993.