APA (7th ed.) Citation

Heiland, B., & Hofmann, M. (1987). Sonne hinter Stacheldraht: Menschen im Widerstand. Kinderbuchverl.

Chicago Style (17th ed.) Citation

Heiland, Burkhard, and Marta Hofmann. Sonne Hinter Stacheldraht: Menschen Im Widerstand. Berlin-Ost: Kinderbuchverl, 1987.

MLA (8th ed.) Citation

Heiland, Burkhard, and Marta Hofmann. Sonne Hinter Stacheldraht: Menschen Im Widerstand. Kinderbuchverl, 1987.

Warning: These citations may not always be 100% accurate.