Cita APA (7th ed.)

Chrystal, G. (1952). Algebra: An elementary text-book for the higher classes of secondary schools and for colleges (6a. ed.). Chelsea Publishing Company.

Cita Chicago (17th ed.)

Chrystal, G. Algebra: An Elementary Text-book for the Higher Classes of Secondary Schools and for Colleges. 6a. ed. Nueva York: Chelsea Publishing Company, 1952.

Cita MLA (9th ed.)

Chrystal, G. Algebra: An Elementary Text-book for the Higher Classes of Secondary Schools and for Colleges. 6a. ed. Chelsea Publishing Company, 1952.