Aitken, F. (1970). Vitamins in feeds for livestock (1st edition.). Bucksburn.
Cita Chicago Style (17a ed.)Aitken, F.C. Vitamins in Feeds for Livestock. 1st edition. Scotland: Bucksburn, 1970.
Cita MLA (8a ed.)Aitken, F.C. Vitamins in Feeds for Livestock. 1st edition. Bucksburn, 1970.
Precaución: Estas citas no son 100% exactas.