APA
Sigler L. E., . (1978). Algebra. New York: Springer Books.
Chicago
Sigler L E, . 1978. Algebra. New York: Springer Books.
Harvard
Sigler L. E., . (1978). Algebra. New York: Springer Books.
MLA
Sigler L E, . Algebra. New York: Springer Books. 1978.
