APA-referens (7:e uppl.)

WOLFE, G. R. (1994). New York A Guide To The Metropolis Walking Tours Of Architecture And History By Gerard R. Wolfe. McGraw-Hill.

Chicago-referens (17:e uppl.)

WOLFE, Gerald R. New York A Guide To The Metropolis Walking Tours Of Architecture And History By Gerard R. Wolfe. McGraw-Hill, 1994.

MLA-referens (8:e uppl.)

WOLFE, Gerald R. New York A Guide To The Metropolis Walking Tours Of Architecture And History By Gerard R. Wolfe. McGraw-Hill, 1994.