APA

Fillmer H. T., Lefcourt A., Thompson N. C. & American Book Company. (1980). American Book English. New York: American Book Co.

Chicago

Fillmer H Thompson, Lefcourt Ann, Thompson Nell Collins and American Book Company. 1980. American Book English. New York: American Book Co.

Harvard

Fillmer H. T., Lefcourt A., Thompson N. C. and American Book Company. (1980). American Book English. New York: American Book Co.

MLA

Fillmer H Thompson, Lefcourt Ann, Thompson Nell Collins and American Book Company. American Book English. New York: American Book Co. 1980.