McWhirter, N. a. R. (1973). Guiness book of world records. Bantam.
Cita Chicago Style (17a ed.)McWhirter, Norris and Ross. Guiness Book of World Records. Toronto: Bantam, 1973.
Cita MLA (9a ed.)McWhirter, Norris and Ross. Guiness Book of World Records. Bantam, 1973.
Precaución: Estas citas no son 100% exactas.