APA

Quinn P. T., .Pear culture for profit / by P. T. Quinn, practical horticulturist. New York : The Tribune association, 154 Nassau street, 1869: .

Chicago

Quinn P T, .Pear culture for profit / by P. T. Quinn, practical horticulturist. New York : The Tribune association, 154 Nassau street, 1869: .

Harvard

Quinn P. T., .Pear culture for profit / by P. T. Quinn, practical horticulturist. New York : The Tribune association, 154 Nassau street, 1869: .

MLA

Quinn P T, .New York : The Tribune association, 154 Nassau street, 1869: . .