APA (7th ed.) Citation

Buchanan. (1993). Discovering the wonders of our world. Reader's Digest Association.

Chicago Style (17th ed.) Citation

Buchanan. Discovering the Wonders of Our World. London: Reader's Digest Association, 1993.

MLA (9th ed.) Citation

Buchanan. Discovering the Wonders of Our World. Reader's Digest Association, 1993.

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