Cita APA (7th ed.)

Hall, H. S., & Knight, S. R. (1960). Elementary algebra for schools (10a. ed.). Macmillan.

Cita Chicago (17th ed.)

Hall, Henry Sinclair, i Samuel Ratcliffe Knight. Elementary Algebra for Schools. 10a. ed. Londres: Macmillan, 1960.

Cita MLA (9th ed.)

Hall, Henry Sinclair, i Samuel Ratcliffe Knight. Elementary Algebra for Schools. 10a. ed. Macmillan, 1960.