Cita APA (7th ed.)

HAFSTROM, J. E. (1967). Introduction to analysis and abstract algebra. Saunders.

Cita Chicago (17th ed.)

HAFSTROM, John E. Introduction to Analysis and Abstract Algebra. London: Saunders, 1967.

Cita MLA (9th ed.)

HAFSTROM, John E. Introduction to Analysis and Abstract Algebra. Saunders, 1967.