APA (7th ed.) Citation

Helberger, C. (1991). Ökonomie der Hochschule II. Duncker & Humblot.

Chicago Style (17th ed.) Citation

Helberger, Christof. Ökonomie Der Hochschule II. Duncker & Humblot, 1991.

MLA (9th ed.) Citation

Helberger, Christof. Ökonomie Der Hochschule II. Duncker & Humblot, 1991.

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