APA (7th ed.) Citation

Pedersen, P. (1835). De longitudine speculæ hafniensis.

Chicago Style (17th ed.) Citation

Pedersen, Petrus. De Longitudine Speculæ Hafniensis. 1835.

MLA (8th ed.) Citation

Pedersen, Petrus. De Longitudine Speculæ Hafniensis. 1835.

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