APA (7th ed.) Citation

Ivanov, N. V. (1992). Subgroups of Teichmüller modular groups. American Mathematical Society.

Chicago Style (17th ed.) Citation

Ivanov, Nikolaj V. Subgroups of Teichmüller Modular Groups. Providence, R.I: American Mathematical Society, 1992.

MLA (9th ed.) Citation

Ivanov, Nikolaj V. Subgroups of Teichmüller Modular Groups. American Mathematical Society, 1992.

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