APA (7th ed.) Citation

Courage, K. H. (2013). Octopus!: The most mysterious creature in the sea. Current.

Chicago Style (17th ed.) Citation

Courage, Katherine Harmon. Octopus!: The Most Mysterious Creature in the Sea. New York, New York: Current, 2013.

MLA (8th ed.) Citation

Courage, Katherine Harmon. Octopus!: The Most Mysterious Creature in the Sea. Current, 2013.

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