Cita APA (7th ed.)

Klamkin, M. S. (1986). International Mathematical Olympiads 1978-1985: And forty supplementary problems. Mathematical Association of America.

Cita Chicago (17th ed.)

Klamkin, Murray S. International Mathematical Olympiads 1978-1985: And Forty Supplementary Problems. Washington, DC: Mathematical Association of America, 1986.

Cita MLA (9th ed.)

Klamkin, Murray S. International Mathematical Olympiads 1978-1985: And Forty Supplementary Problems. Mathematical Association of America, 1986.