APA (7th ed.) Citation

Brück, D. 1. (1951). Die Fokallehre. Hüthig.

Chicago Style (17th ed.) Citation

Brück, Dietrich 19XX-1984. Die Fokallehre. Heidelberg: Hüthig, 1951.

MLA (9th ed.) Citation

Brück, Dietrich 19XX-1984. Die Fokallehre. Hüthig, 1951.

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