APA (7th ed.) Citation

A. & F. Pears (Londyn). (2017). Pears' Cyclopaedia. A. & F. Pears.

Chicago Style (17th ed.) Citation

A. & F. Pears (Londyn). Pears' Cyclopaedia. London: A. & F. Pears, 2017.

MLA (9th ed.) Citation

A. & F. Pears (Londyn). Pears' Cyclopaedia. A. & F. Pears, 2017.

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