APA način citiranja (7. izdanje)

Levinson, N. (1940). Gap and density theorems. American Mathematical Society.

Čikaški stil citiranja (17. izdanje)

Levinson, Norman. Gap and Density Theorems. New York: American Mathematical Society, 1940.

MLA način citiranja (9. izdanje)

Levinson, Norman. Gap and Density Theorems. American Mathematical Society, 1940.