If you want a citrusy IPA, I'd suggest using hops that are notably citrusy. Nugget and brewer's gold aren't known to be citrusy. Nugget is spicy, and herbal tasting. (I don't care much for it in late additions, but some do). Brewer's Gold is not citrusy, either, but sort of harsh and better as a bittering hop if used at all.
Centennial is floral/citrusy- I get some floral aroma underneath the citrus flavor. For real citrus flavor, think amarillo (grapefruit), sorachi ace (lemon), and cascade (grapefruit, but not as much as amarillo).
I like a combination of amarillo/simcoe for intense citrus, centennial/cascade for a citrus with a hint of floral, and cascade/willamette for an earthy citrus flavor.