APA (7th ed.) Citation

Engelund, F. (1951). Mathematical discussion of drainage problems. Akad. for de Tekniske Videnskaber.

Chicago Style (17th ed.) Citation

Engelund, Frank. Mathematical Discussion of Drainage Problems. København: Akad. for de Tekniske Videnskaber, 1951.

MLA (9th ed.) Citation

Engelund, Frank. Mathematical Discussion of Drainage Problems. Akad. for de Tekniske Videnskaber, 1951.

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