Cita APA (7a ed.)

Hammond Incorporated & Frank, H. T. (1977). Hammond medallion world atlas (New census ed.). Hammond Inc.

Cita Chicago Style (17a ed.)

Hammond Incorporated y Harry Thomas Frank. Hammond Medallion World Atlas. New census ed. Maplewood, N.J: Hammond Inc, 1977.

Cita MLA (9a ed.)

Hammond Incorporated y Harry Thomas Frank. Hammond Medallion World Atlas. New census ed. Hammond Inc, 1977.