APA (7th ed.) Citation

(1976). 2 cop: Blue/purple/brown/red and yellow/orange/red/purple/brown.

Chicago Style (17th ed.) Citation

2 Cop: Blue/purple/brown/red and Yellow/orange/red/purple/brown. 1976.

MLA (8th ed.) Citation

2 Cop: Blue/purple/brown/red and Yellow/orange/red/purple/brown. 1976.

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