Cita APA (7a ed.)

Robert, E. School arithmetic in compliance with the program of public instruction: Elementary course/ by Robert, C.S.V.

Cita Chicago Style (17a ed.)

Robert, E. School Arithmetic in Compliance with the Program of Public Instruction: Elementary Course/ by Robert, C.S.V. Montreal : les Cleros de St. Viateur, ca. 1918.

Cita MLA (8a ed.)

Robert, E. School Arithmetic in Compliance with the Program of Public Instruction: Elementary Course/ by Robert, C.S.V.