APA

Hall J. P. W., Willmott K. R., .Systematic of the riodinid tribe symmachiini, with the description of a new genus and five new species from Ecuador,Venezuela and Brazil (<Lepidoptera: Riodinidae>). : .

Chicago

Hall Jason P W, Willmott Keith R, .Systematic of the riodinid tribe symmachiini, with the description of a new genus and five new species from Ecuador,Venezuela and Brazil (<Lepidoptera: Riodinidae>). : .

Harvard

Hall J. P. W., Willmott K. R., .Systematic of the riodinid tribe symmachiini, with the description of a new genus and five new species from Ecuador,Venezuela and Brazil (<Lepidoptera: Riodinidae>). : .

MLA

Hall Jason P W, Willmott Keith R, .: . .