APA (7th ed.) Citation

Mertens, U. (1967). Die Zonengrenze.

Chicago Style (17th ed.) Citation

Mertens, Uwe. Die Zonengrenze. 1967.

MLA (9th ed.) Citation

Mertens, Uwe. Die Zonengrenze. 1967.

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