APA

David Sheets H., David Sheets H., E. Mitchell C., Holmden C. & J. Melchin M. (2025). What Does Graptolite Origination and Extinction Reveal about the Cause of the Late Ordovician Mass Extinction?. : Cambridge University Press.

Chicago

David Sheets H, David Sheets H, E. Mitchell Charles, Holmden Chris and J. Melchin Michael. 2025. What Does Graptolite Origination and Extinction Reveal about the Cause of the Late Ordovician Mass Extinction?. : Cambridge University Press.

Harvard

David Sheets H., David Sheets H., E. Mitchell C., Holmden C. and J. Melchin M. (2025). What Does Graptolite Origination and Extinction Reveal about the Cause of the Late Ordovician Mass Extinction?. : Cambridge University Press.

MLA

David Sheets H, David Sheets H, E. Mitchell Charles, Holmden Chris and J. Melchin Michael. What Does Graptolite Origination and Extinction Reveal about the Cause of the Late Ordovician Mass Extinction?. : Cambridge University Press. 2025.