APA (7th ed.) Citation

Petrunin, A. (2021). Euclidean plane and its relatives. Anton Petrunin.

Chicago Style (17th ed.) Citation

Petrunin, Anton. Euclidean Plane and Its Relatives. Centre County, Pennsylvania: Anton Petrunin, 2021.

MLA (9th ed.) Citation

Petrunin, Anton. Euclidean Plane and Its Relatives. Anton Petrunin, 2021.