APA (7th ed.) Citation

Gogarty, O. S. J. (1983). It isn't this time of year at all!: An unpremeditated autobiography. Sphere.

Chicago Style (17th ed.) Citation

Gogarty, Oliver St John. It Isn't This Time of Year at All!: An Unpremeditated Autobiography. London: Sphere, 1983.

MLA (8th ed.) Citation

Gogarty, Oliver St John. It Isn't This Time of Year at All!: An Unpremeditated Autobiography. Sphere, 1983.