APA (7th ed.) Citation

Rössing, R., & Lenz, J. (1961). Ungarn (o.A.). Brockhaus.

Chicago Style (17th ed.) Citation

Rössing, Roger, and Jürgen Lenz. Ungarn. o.A. Leipzig: Brockhaus, 1961.

MLA (8th ed.) Citation

Rössing, Roger, and Jürgen Lenz. Ungarn. o.A. Brockhaus, 1961.

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