APA (7th ed.) Citation

Adler, J. (1992). Telefonieren in Deutschland. WIK.

Chicago Style (17th ed.) Citation

Adler, Johannes. Telefonieren in Deutschland. Bad Honnef: WIK, 1992.

MLA (9th ed.) Citation

Adler, Johannes. Telefonieren in Deutschland. WIK, 1992.

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