APA (7th ed.) Citation

Hamilton, W. R. S. (1840). On a new species of imaginary Quantities connected with a theory of Quaternions.

Chicago Style (17th ed.) Citation

Hamilton, William Rowan Sir. On a New Species of Imaginary Quantities Connected with a Theory of Quaternions. 1840.

MLA (9th ed.) Citation

Hamilton, William Rowan Sir. On a New Species of Imaginary Quantities Connected with a Theory of Quaternions. 1840.

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