Typographus Roberti Anglici "De astrolabio", . i., Petri de Colonia, P., Corrado, J. d., & Eber, F. (1477). [Formularium instrumentorum ad usum Romanae Curiae]. Typographus Roberti Anglici "De astrolabio" = Petrus Petri de Colonia, Johannes de Corrado et Fridericus Eber.
Chicago Style (17th ed.) CitationTypographus Roberti Anglici "De astrolabio", imp, Petrus Petri de Colonia, Johannes de Corrado, and Fridericus Eber. [Formularium Instrumentorum Ad Usum Romanae Curiae]. [Perusiae: Typographus Roberti Anglici "De astrolabio" = Petrus Petri de Colonia, Johannes de Corrado et Fridericus Eber, 1477.
MLA (9th ed.) CitationTypographus Roberti Anglici "De astrolabio", imp, et al. [Formularium Instrumentorum Ad Usum Romanae Curiae]. Typographus Roberti Anglici "De astrolabio" = Petrus Petri de Colonia, Johannes de Corrado et Fridericus Eber, 1477.