APA (7th ed.) Citation

Playtner, H. R. An Analysis of the Lever Escapement.

Chicago Style (17th ed.) Citation

Playtner, H. R. An Analysis of the Lever Escapement.

MLA (9th ed.) Citation

Playtner, H. R. An Analysis of the Lever Escapement.

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