APA (7th ed.) Citation

Addison. (1974). When: A family book of knowledge. Octopus Books.

Chicago Style (17th ed.) Citation

Addison. When: A Family Book of Knowledge. London: Octopus Books, 1974.

MLA (8th ed.) Citation

Addison. When: A Family Book of Knowledge. Octopus Books, 1974.

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