APA

Fessl B., Couri M. S. & Tebbich S. (2001). Philornis downsi Dodge and Aitken, new to the Galapagos Islands (Diptera, Muscidae). : .

Chicago

Fessl Birgit, Couri Márcia S and Tebbich Sabine. 2001. Philornis downsi Dodge and Aitken, new to the Galapagos Islands (Diptera, Muscidae). : .

Harvard

Fessl B., Couri M. S. and Tebbich S. (2001). Philornis downsi Dodge and Aitken, new to the Galapagos Islands (Diptera, Muscidae). : .

MLA

Fessl Birgit, Couri Márcia S and Tebbich Sabine. Philornis downsi Dodge and Aitken, new to the Galapagos Islands (Diptera, Muscidae). : . 2001.