APA (7th ed.) Citation

Riley, N. D. (1956). Index of taxonomic specialists in entomology. Ist. di Genetica.

Chicago Style (17th ed.) Citation

Riley, Norman D. Index of Taxonomic Specialists in Entomology. Napoli: Ist. di Genetica, 1956.

MLA (9th ed.) Citation

Riley, Norman D. Index of Taxonomic Specialists in Entomology. Ist. di Genetica, 1956.