Cita APA (7a ed.)

ROBINSON, A., & Sale, R.. (1978). Elements of Cartography (4th.). John Wiley & sons, Inc..

Cita Chicago Style (17a ed.)

ROBINSON, ARTHUR, y Randall Sale. Elements of Cartography. 4th. CANADA: John Wiley & sons, Inc., 1978.

Cita MLA (9a ed.)

ROBINSON, ARTHUR, y Randall Sale. Elements of Cartography. 4th. John Wiley & sons, Inc., 1978.