Cita APA (7th ed.)

Nyberg, J. A. (1945). Fundamentals of algebra. American Book Company.

Cita Chicago (17th ed.)

Nyberg, Joseph A. Fundamentals of Algebra. Boston: American Book Company, 1945.

Cita MLA (9th ed.)

Nyberg, Joseph A. Fundamentals of Algebra. American Book Company, 1945.