APA (7th ed.) Citation

Faigle, U. (1985). Sorting and recognition problems for ordered sets.

Chicago Style (17th ed.) Citation

Faigle, Ulrich. Sorting and Recognition Problems for Ordered Sets. Bonn, 1985.

MLA (9th ed.) Citation

Faigle, Ulrich. Sorting and Recognition Problems for Ordered Sets. 1985.

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