APA

Scholtz C., Howden H., .Revision of the African Cathonina (Coleoptera: Scarabaeidae: Scarabaeinae). : .

Chicago

Scholtz C.H, Howden H.F, .Revision of the African Cathonina (Coleoptera: Scarabaeidae: Scarabaeinae). : .

Harvard

Scholtz C., Howden H., .Revision of the African Cathonina (Coleoptera: Scarabaeidae: Scarabaeinae). : .

MLA

Scholtz C.H, Howden H.F, .: . .