APA

Fox R. M., . (1941). New Ithomiinae (Lepidoptera: Nymphalidae). Reading: Reading Public Museum and Art Gallery.

Chicago

Fox Richard M, . 1941. New Ithomiinae (Lepidoptera: Nymphalidae). Reading: Reading Public Museum and Art Gallery.

Harvard

Fox R. M., . (1941). New Ithomiinae (Lepidoptera: Nymphalidae). Reading: Reading Public Museum and Art Gallery.

MLA

Fox Richard M, . New Ithomiinae (Lepidoptera: Nymphalidae). Reading: Reading Public Museum and Art Gallery. 1941.