APA (7th ed.) Citation

(1985). The New Encyclopaedia Britannica vol. 19: Excretion-Geometry. Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

The New Encyclopaedia Britannica Vol. 19: Excretion-Geometry. USA: Encyclopaedia Britannica, 1985.

MLA (9th ed.) Citation

The New Encyclopaedia Britannica Vol. 19: Excretion-Geometry. Encyclopaedia Britannica, 1985.

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