APA (7th ed.) Citation

Chamberlin, W. (1947). The round earth on flat paper: Map projections used by cartographers. By Wellman Chamberlin. With drawings by Charles E. Riddiford. Map services of the National Geographic Soc. By Gilbert Grosvenor. National Geogr. Soc.

Chicago Style (17th ed.) Citation

Chamberlin, Wellman. The Round Earth on Flat Paper: Map Projections Used by Cartographers. By Wellman Chamberlin. With Drawings by Charles E. Riddiford. Map Services of the National Geographic Soc. By Gilbert Grosvenor. Washington: National Geogr. Soc, 1947.

MLA (9th ed.) Citation

Chamberlin, Wellman. The Round Earth on Flat Paper: Map Projections Used by Cartographers. By Wellman Chamberlin. With Drawings by Charles E. Riddiford. Map Services of the National Geographic Soc. By Gilbert Grosvenor. National Geogr. Soc, 1947.