APA (7th ed.) Citation

Cortie, A. L. (1901). On the types of sun-spot disturbances. University of Chicago Press.

Chicago Style (17th ed.) Citation

Cortie, Aloysius Laurence. On the Types of Sun-spot Disturbances. [Chicago: University of Chicago Press, 1901.

MLA (9th ed.) Citation

Cortie, Aloysius Laurence. On the Types of Sun-spot Disturbances. University of Chicago Press, 1901.

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