APA

Samuelson P. A., Coleman J. R. & Skidmore F. (1967). Readings in economics. New York: McGraw-Hill.

Chicago

Samuelson Paul A, Coleman John R and Skidmore Felicity. 1967. Readings in economics. New York: McGraw-Hill.

Harvard

Samuelson P. A., Coleman J. R. and Skidmore F. (1967). Readings in economics. New York: McGraw-Hill.

MLA

Samuelson Paul A, Coleman John R and Skidmore Felicity. Readings in economics. New York: McGraw-Hill. 1967.