Citazione Stile APA (7a Edizione)

Steinpach, R. (1989). How is it that we live after death and what is ... Stiftung Gralsbotschaft.

Citazione stile Chigago Style (17a edizione)

Steinpach, Richard. How Is It That We Live After Death and What Is ... Stuttgart: Stiftung Gralsbotschaft, 1989.

Citatione MLA (9a ed.)

Steinpach, Richard. How Is It That We Live After Death and What Is ... Stiftung Gralsbotschaft, 1989.