APA (7th ed.) Citation

Spiro, C. A. Extensions of some formulae of A. Selberg. Wiley.

Chicago Style (17th ed.) Citation

Spiro, Claudia A. Extensions of Some Formulae of A. Selberg. Wiley.

MLA (9th ed.) Citation

Spiro, Claudia A. Extensions of Some Formulae of A. Selberg. Wiley.

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