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check this thread since it has some links that could be useful
>>9406
I would start with reading material on the worship of the deity you're drawn to. Some deities were worshiped in different ways so it wouldn't make sense to treat them all the same just because they come from the same pantheon. Some of them may be better for a relaxed approach while others might require a very structured form of worship.

Read things like Homer and other works from that time for an idea how people saw the gods and how they fit into their daily lives.

You might find Helen of Troy by Bettany Hughes interesting too as it goes into detail about how Helen of Troy was worshiped as a sort of god.

>>9680
The first poster has it right, usually not all of the Gods and Goddesses were worshipped simultaneously or the same, especially the Greek ones. They were often divided into "cults" (not like how we define cult today) and had different means of worship. So you might want to choose the few you want to worship first and then study how their cults worshipped them. Usually with specific offerings.

baringtheaegis.blogspot.com
a highly useful resource, it's been inactive for a couple years, but still the best blog I know of on this subject. the author is a lesbian, apparently.