APA (7th ed.) Citation

Zöllner, D., & André, A. (1973). Labour and Social security (Rev. ed.). Press and Information Office.

Chicago Style (17th ed.) Citation

Zöllner, Detlev, and Achim André. Labour and Social Security. Rev. ed. Bonn: Press and Information Office, 1973.

MLA (9th ed.) Citation

Zöllner, Detlev, and Achim André. Labour and Social Security. Rev. ed. Press and Information Office, 1973.