APA (7th ed.) Citation

Constable, J., & Sunderland, J. (1970). Constable / by John Sunderland. Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

Constable, John, and John Sunderland. Constable / by John Sunderland. London: Encyclopaedia Britannica, 1970.

MLA (9th ed.) Citation

Constable, John, and John Sunderland. Constable / by John Sunderland. Encyclopaedia Britannica, 1970.

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