APA (7th ed.) Citation

McCallum, G. P. (1985). The secret formula. Alhambra.

Chicago Style (17th ed.) Citation

McCallum, George P. The Secret Formula. Madrid: Alhambra, 1985.

MLA (9th ed.) Citation

McCallum, George P. The Secret Formula. Alhambra, 1985.

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