APA (7th ed.) Citation
Tortonese, E. (1956). Leptocardia, ciclostomata, selachii. Calderini.
Chicago Style (17th ed.) Citation
Tortonese, Enrico. Leptocardia, Ciclostomata, Selachii. Bologna: Calderini, 1956.
MLA (9th ed.) Citation
Tortonese, Enrico. Leptocardia, Ciclostomata, Selachii. Calderini, 1956.
Warning: These citations may not always be 100% accurate.