APA (7th ed.) Citation

Graves, C. (1887). The focal circles of spherical conics.

Chicago Style (17th ed.) Citation

Graves, Charles. The Focal Circles of Spherical Conics. 1887.

MLA (9th ed.) Citation

Graves, Charles. The Focal Circles of Spherical Conics. 1887.

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