Citazione Stile APA (7a Edizione)

Helprin, M. Back bay conservatory: Mark Helprin. The city.(1979).

Citazione stile Chigago Style (17a edizione)

Helprin, Mark. "Back Bay Conservatory: Mark Helprin." The City.(1979) .

Citatione MLA (8a ed.)

Helprin, Mark. "Back Bay Conservatory: Mark Helprin." The City.(1979), .