APA Citation

(1991). Postprincipia: Gravitation for physicists and astronomers. Singapore: World Scientific.

Chicago Style Citation

Postprincipia: Gravitation for Physicists and Astronomers. Singapore: World Scientific, 1991.

MLA Citation

Postprincipia: Gravitation for Physicists and Astronomers. Singapore: World Scientific, 1991.

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