APA

Howden H. F., .New mexican Apeltastes Howden and notes on Guatemalan Paragonimus becker (Scarabaeidae: Trichiinae). : .

Chicago

Howden Henry F, .New mexican Apeltastes Howden and notes on Guatemalan Paragonimus becker (Scarabaeidae: Trichiinae). : .

Harvard

Howden H. F., .New mexican Apeltastes Howden and notes on Guatemalan Paragonimus becker (Scarabaeidae: Trichiinae). : .

MLA

Howden Henry F, .: . .