APA (7th ed.) Citation

Born, M., & Biem, W. (1984). Die Relativitätstheorie Einsteins Heidelberger Taschenbücher.

Chicago Style (17th ed.) Citation

Born, Max, and Walter Biem. "Die Relativitätstheorie Einsteins." Heidelberger Taschenbücher 1984.

MLA (9th ed.) Citation

Born, Max, and Walter Biem. "Die Relativitätstheorie Einsteins." Heidelberger Taschenbücher, 1984.

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