If the Style Confirmation preference is on, verify the style to be used and the initial bibliography number (for numbered bibliography styles).
Style: The currently selected styles appears as the default. Styles marked as "favorites" appear in the list of styles. If the style you want does not appear in the list, choose Select another style" to select from all styles in the Style Manager.
Start with Bibliography Number: Normally, numbered bibliographies start at 1. To use a different number for the first citation, enter the number here.