And he wasn't crucified; he was killed by a wild boar.
Ovid's "Metamorphoses", 10.298, 522 & 705 (Roman Epic, 1rst century BC-1rst century AD
Antoninus Liberalis, "Metamorphoses", 34 (Greek Mythographer) 2nd century AD.
Pseudo-Apollodorus "Bibliotheca", 3.183-85 (Greek Mythographer, 2nd century AD)
Pseudo-Hyginus, "Fabulae
Anthenaeus, "Deipnosophistae", 2.69 (Greek Rhetorician, 2nd-3rd century AD)
Ptolemy Hephaestion "New History Book" (Summary from Photius, Myriobiblon 190)
Propertius, "Elegies" 2.13 (Roman elegy 1 century AD)