You need to use both as ISAKMP is phase 1 and crypto map is used for phase 2 and you need both phases. Attached is a link to a document with an example -
Use the wizard in ASDM, it's pretty easy. Then with the help of the ASA config, you can do the router config.
Getting Started
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: