Citazione Stile APA (7a Edizione)
Petroski, H. (2011). An engineer's alphabet: Gleanings from the softer side of his profession. Cambridge University Press.
Citazione stile Chigago Style (17a edizione)
Petroski, Henry. An Engineer's Alphabet: Gleanings from the Softer Side of His Profession. Cambridge ; New York: Cambridge University Press, 2011.
Citatione MLA (9a ed.)
Petroski, Henry. An Engineer's Alphabet: Gleanings from the Softer Side of His Profession. Cambridge University Press, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.