APA (7th ed.) Citation

Heller, A. H. (1968). A new Eurystyles from Nicaragua. Field Museum of Natural History.

Chicago Style (17th ed.) Citation

Heller, Alfonso H. A New Eurystyles from Nicaragua. [Chicago]: Field Museum of Natural History, 1968.

MLA (9th ed.) Citation

Heller, Alfonso H. A New Eurystyles from Nicaragua. Field Museum of Natural History, 1968.

Warning: These citations may not always be 100% accurate.