For books: Use GIL Express (service for borrowing books from other USG Libraries). More about GIL Express
For articles: Use Interlibrary Loan (available through the library's website).
Order it through Interlibrary Loan (also known as ILL and is part of a larger suite of services called "Resource Sharing"), and we will borrow it from another library. Click here to submit a resource sharing request. (First time users will be asked to create a free ILLiad account in order to use resource sharing services.)
For books: New Request > Book
For articles: New Request > Article
Check the email associated with your resource sharing account (ILLiad), where you will receive the notice that your book is ready for pick up or your article is available via the resource sharing system as a PDF to download.