The stars of the Albireo system are so close together than the system's binary nature cannot be easily discerned in this image. At high magnification levels, the presence of Albireo B can be detected by its diffraction spikes (the 'cross' of light produced as an artefact of the imaging process), which emanate from a point slightly to the north and east of Albireo A. Imagery provided by Aladin sky atlas
What is known is that Albireo A has a smaller and fainter companion star in a much closer orbit. Thus potentially Albireo is a ternary or triple system, with Albireo A and its close companion being distantly orbited by blue Albireo B over periods measured in hundreds of millennia.