Terrell, Carroll F. “The Periplus of Hanno.” Paideuma 1.1 (Spring 1972): 223–228. Read the article. [includes both English and Greek versions of the text. The English text is from the Schoff edition.]
The Periplus of Hanno; a voyage of discovery down the West African coast by a Carthaginian admiral of the fifth century BC. ed. by Wilfred H. Schoff. Philadelphia: Maritime Museum, 1912. Internet Archive.
“The Periplus of Hanno.” Cory’s Ancient Fragments. Ed. Richmond E. Hodges. London: Reeves & Turner, 1876. 35-42. Internet Archive.