APA aipamena

Del Prado, M. G. "The Mayon Volcano: A poem of grace and majesty". s.n.

Chicago Style aipamena

Del Prado, Mariano Goyena. "The Mayon Volcano: A Poem of Grace and Majesty". s.l: s.n.

MLA aipamena

Del Prado, Mariano Goyena. "The Mayon Volcano: A Poem of Grace and Majesty". s.n.