APA (7th ed.) Citation

Bjerrum, H., & Lebech, B. (1973). Physics department annual progress report. Danish Atomic Energy Commission.

Chicago Style (17th ed.) Citation

Bjerrum, H., and B. Lebech. Physics Department Annual Progress Report. Roskilde: Danish Atomic Energy Commission, 1973.

MLA (9th ed.) Citation

Bjerrum, H., and B. Lebech. Physics Department Annual Progress Report. Danish Atomic Energy Commission, 1973.