APA (7th ed.) Citation

H. Hook, W. (1989). Mr. Bubble Gum. A Bantam Book.

Chicago Style (17th ed.) Citation

H. Hook, William. Mr. Bubble Gum. London: A Bantam Book, 1989.

MLA (9th ed.) Citation

H. Hook, William. Mr. Bubble Gum. A Bantam Book, 1989.