Cita APA (7a ed.)

Hasse, H., & Klobe, W. (1954). Exercises to higher algebra (1a ed.). Frederick Ungar Publishing Co.

Cita Chicago Style (17a ed.)

Hasse, Helmut, y Walter Klobe. Exercises to Higher Algebra. 1a ed. New York: Frederick Ungar Publishing Co, 1954.

Cita MLA (9a ed.)

Hasse, Helmut, y Walter Klobe. Exercises to Higher Algebra. 1a ed. Frederick Ungar Publishing Co, 1954.