Cita APA (7th ed.)

Kittel, G., & Friedrich, G. (1973). Ph - O. Kohlhammer.

Cita Chicago (17th ed.)

Kittel, Gerhard, i Gerhard Friedrich. Ph - O. Stuttgart [u.a.]: Kohlhammer, 1973.

Cita MLA (8th ed.)

Kittel, Gerhard, i Gerhard Friedrich. Ph - O. Kohlhammer, 1973.