APA (7th ed.) Citation

Nielsen, M. P. (1971). On the strength of reinforced concrete discs.

Chicago Style (17th ed.) Citation

Nielsen, M. P. On the Strength of Reinforced Concrete Discs. Copenhagen, 1971.

MLA (9th ed.) Citation

Nielsen, M. P. On the Strength of Reinforced Concrete Discs. 1971.