If the plan tells you how many ribs to put in, you are in good shape.  Just send the root and tip airfoils to Eric Rule at rsmdistribution.com and he can laser cut you a full set of ribs for a nominal cost.  They probably will even have holes for a rod jig, especially if you ask for it.

There are a wide variety of techniques to do it by hand, use the search feature of this forum on cutting ribs, rib forms, etc. to find the threads.  The ultimate solution is to go with a "lost foam" wing as set up for you by Bob Hunt.  I don't have his contact information ready to hand, but it should be easy to find in old Model Aviation issues.  His videos are superb, and show EXACTLY how to use his lost foam technique to make flawless, unwarped wings.

Finally, if you have or have access to a good magazine collection, the techniques for rib forming are in a wide variety of Stunt Model articles and others.

I expect you got the plans from Tom Dixon, or at least he would have them. His site gives contact info to Jim Pearson, who cuts foam cores, and will do a fine job for you.  Email Jim at <ModelWings at aol dot com>   I'd suggest using one of the urethane glues (Titebond Urethane, Gorilla Glue, etc.).    Steve

Ooops.. sorry steve.. was thinking of someone else..