APA (7th ed.) Citation

University of Chicago. Encyclopaedia Británnica. Macropaedia: Proboscidea - Rubber (15a ed.).

Chicago Style (17th ed.) Citation

University of Chicago. Encyclopaedia Británnica. Macropaedia: Proboscidea - Rubber. 15a ed.

MLA (8th ed.) Citation

University of Chicago. Encyclopaedia Británnica. Macropaedia: Proboscidea - Rubber. 15a ed.

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