APA (7th ed.) Citation

Hooper, M. (1990). How high is the sky? (1. publ. in Great Britain.). Simon & Schuster Young Books.

Chicago Style (17th ed.) Citation

Hooper, Meredith. How High Is the Sky? 1. publ. in Great Britain. London [i.e.] Hemel Hemstead: Simon & Schuster Young Books, 1990.

MLA (9th ed.) Citation

Hooper, Meredith. How High Is the Sky? 1. publ. in Great Britain. Simon & Schuster Young Books, 1990.