Cita APA (7th ed.)

Steinhauer, K., & Hausen, G. (1980). (Up to 1975): Keyword index by Gitta Hausen. Saur.

Cita Chicago (17th ed.)

Steinhauer, Kurt, i Gitta Hausen. (Up to 1975): Keyword Index by Gitta Hausen. München [u.a.]: Saur, 1980.

Cita MLA (8th ed.)

Steinhauer, Kurt, i Gitta Hausen. (Up to 1975): Keyword Index by Gitta Hausen. Saur, 1980.