APA (7th ed.) Citation

Hejhal, D. A. (1992). Eigenvalues of the Laplacian for Hecke triangle groups. American Mathematical Society.

Chicago Style (17th ed.) Citation

Hejhal, Dennis A. Eigenvalues of the Laplacian for Hecke Triangle Groups. Providence, R.I.: American Mathematical Society, 1992.

MLA (9th ed.) Citation

Hejhal, Dennis A. Eigenvalues of the Laplacian for Hecke Triangle Groups. American Mathematical Society, 1992.

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