APA (7th ed.) Citation

Castner, H. W., & Robinson, A. H. (1969). Dot area symbols in cartography: The influence of pattern in their perception.

Chicago Style (17th ed.) Citation

Castner, Henry W., and Arthur Howard Robinson. Dot Area Symbols in Cartography: The Influence of Pattern in Their Perception. Washington/DC, 1969.

MLA (9th ed.) Citation

Castner, Henry W., and Arthur Howard Robinson. Dot Area Symbols in Cartography: The Influence of Pattern in Their Perception. 1969.