APA (7th ed.) Citation

Dr. Seuss. One fish, two fish, red fish, blue fish.

Chicago Style (17th ed.) Citation

Dr. Seuss. One Fish, Two Fish, Red Fish, Blue Fish. Random House UK Ltd (A Division of Random House Group).

MLA (8th ed.) Citation

Dr. Seuss. One Fish, Two Fish, Red Fish, Blue Fish.

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