APA način citiranja

Hafstrom, J. E. (1967). Introduction to analysis and abstract algebra. W.B. Saunders.

Čikaški stil citiranja

Hafstrom, John E. Introduction to Analysis and Abstract Algebra. London: W.B. Saunders, 1967.

MLA način citiranja

Hafstrom, John E. Introduction to Analysis and Abstract Algebra. W.B. Saunders, 1967.