APA (7th ed.) Citation

Sandys, D. Y. (2002). Congruence subgroups of genus zero of PSL2 (R).

Chicago Style (17th ed.) Citation

Sandys, Dini Yulia. Congruence Subgroups of Genus Zero of PSL2 (R). 2002.

MLA (8th ed.) Citation

Sandys, Dini Yulia. Congruence Subgroups of Genus Zero of PSL2 (R). 2002.

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