APA

Martin G., . (19671966). European painting: the eighteenth century. New York: McGraw-Hill.

Chicago

Martin Gregory, . 19671966. European painting: the eighteenth century. New York: McGraw-Hill.

Harvard

Martin G., . (19671966). European painting: the eighteenth century. New York: McGraw-Hill.

MLA

Martin Gregory, . European painting: the eighteenth century. New York: McGraw-Hill. 19671966.