Cita APA

Preece, W. E. (1967). Encyclopaedia britannica vol-6 (14.). Encyclopaedia Britannica INC.

Citación estilo Chicago

Preece, Warren E. Encyclopaedia Britannica Vol-6. 14. Chicago: Encyclopaedia Britannica INC, 1967.

Cita MLA

Preece, Warren E. Encyclopaedia Britannica Vol-6. 14. Encyclopaedia Britannica INC, 1967.

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