This video by Career Girls gives strategies for finding a summer job. The advice is equally valid for men and women.
Databases (Library card is required to access the databases outside the library.)
Training (Library card is required.)
These resources are useful for teens in addition to the ones on the main page.
Sitters.com - Listings for sitters and nannies.
Care.com - Provides listings for sitters and nannies, pet care, adult and senior care, and home care.
CoolWorks.com - Jobs in great places
Get That Gig - Why not do something cool?
SummerJobs.com - Summer job listings
Camp Staff - Summer camp jobs
This video by TheEmployable presents the right way to fill out employment applications.