Paper to Paper

When the joint doesn't have to be strong (like in an office situation), use:

Uhu Glue

Otherwise, if you want the joint to stay flexible, we recommend:

Sobo

Rhoplex

But if you don't mind some stiffness, use:

Elmer's Carpenter's Glue

LePage's Bondfast

For an absolutely wrinkle free result, but with some stiffness, we recommend:

Yamato Sticking Paste

To avoid wrinkles and stiffness, try:

3M 77