APA (7th ed.) Citation

Greenler, R. Rainbows, visible & invisible. Blue Sky Assoc.

Chicago Style (17th ed.) Citation

Greenler, Robert. Rainbows, Visible & Invisible. Grafton: Blue Sky Assoc.

MLA (9th ed.) Citation

Greenler, Robert. Rainbows, Visible & Invisible. Blue Sky Assoc.

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