Martyrologium Romanum (Libreria Editrice Vaticana 88-209-7210-7). Earlier editions of the Roman Martyrology had, under 18 April, the following text:
At Rome, blessed Apollonius, a senator under Emperor Commodus and the prefect Perennius. He was denounced as a Christian by one of his slaves, and being commanded to give an account of his faith, he composed an able work which he read in the Senate. He was nevertheless beheaded for Christ by their sentence. (Confraternity of Ss. Peter & Paul. "April 18". The Roman Martyrology. Archived from the original on 2007-09-28. Retrieved 2007-03-03.
Martyrologium Romanum (Libreria Editrice Vaticana 88-209-7210-7). Earlier editions of the Roman Martyrology had, under 18 April, the following text:
At Rome, blessed Apollonius, a senator under Emperor Commodus and the prefect Perennius. He was denounced as a Christian by one of his slaves, and being commanded to give an account of his faith, he composed an able work which he read in the Senate. He was nevertheless beheaded for Christ by their sentence. (Confraternity of Ss. Peter & Paul. "April 18". The Roman Martyrology. Archived from the original on 2007-09-28. Retrieved 2007-03-03.