APA (7th ed.) Citation

Plomp, R. (2008). A pendulum clock owned by the Danish astronomer Ole Rømer (1644 - 1710).

Chicago Style (17th ed.) Citation

Plomp, Reinier. A Pendulum Clock Owned by the Danish Astronomer Ole Rømer (1644 - 1710). 2008.

MLA (9th ed.) Citation

Plomp, Reinier. A Pendulum Clock Owned by the Danish Astronomer Ole Rømer (1644 - 1710). 2008.

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