APA-viite

David A Weaver et al, finlay j Maccallum, Finlay J MacCallum, & Paul R Greenough. (1981). Lameness in cattle (second.). england.

Chicago-tyylinen lähdeviittaus

David A Weaver et al, finlay j Maccallum, Finlay J MacCallum, ja Paul R Greenough. Lameness in Cattle. second. england, 1981.

MLA-viite

David A Weaver et al, et al. Lameness in Cattle. second. england, 1981.