APA

Marshall C. 1., .Christy. New York: McGraw-Hill Book Company.

Chicago

Marshall Catherine 1914-1983, .Christy. New York: McGraw-Hill Book Company.

Harvard

Marshall C. 1., .Christy. New York: McGraw-Hill Book Company.

MLA

Marshall Catherine 1914-1983, .New York: McGraw-Hill Book Company. .