APA

Held G. A., . (1987). "Heldentaten". Neustadt/Wstr: Pfälz. Post.

Chicago

Held Gustav A, . 1987. "Heldentaten". Neustadt/Wstr: Pfälz. Post.

Harvard

Held G. A., . (1987). "Heldentaten". Neustadt/Wstr: Pfälz. Post.

MLA

Held Gustav A, . "Heldentaten". Neustadt/Wstr: Pfälz. Post. 1987.