APA (7th ed.) Citation

Marx, J. (1991). Baugewerbe 1990. Hamburg in Zahlen.

Chicago Style (17th ed.) Citation

Marx, Johannes. "Baugewerbe 1990." Hamburg in Zahlen 1991.

MLA (8th ed.) Citation

Marx, Johannes. "Baugewerbe 1990." Hamburg in Zahlen, 1991.

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