Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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.

Citatione MLA (9a ed.)

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