APA (7th ed.) Citation

Webb, R. G. (1962). North American recent soft-shelled turtles (family Trionychidae). University of Kansas.

Chicago Style (17th ed.) Citation

Webb, Robert G. North American Recent Soft-shelled Turtles (family Trionychidae). Lawrence: University of Kansas, 1962.

MLA (9th ed.) Citation

Webb, Robert G. North American Recent Soft-shelled Turtles (family Trionychidae). University of Kansas, 1962.

Warning: These citations may not always be 100% accurate.