APA (7th ed.) Citation

Crawford, S., & Sullivan, G. (1998). The power of birthdays, stars, & numbers: The complete personology reference guide. Ballantine Books.

Chicago Style (17th ed.) Citation

Crawford, Saffi, and Geraldine Sullivan. The Power of Birthdays, Stars, & Numbers: The Complete Personology Reference Guide. New York: Ballantine Books, 1998.

MLA (9th ed.) Citation

Crawford, Saffi, and Geraldine Sullivan. The Power of Birthdays, Stars, & Numbers: The Complete Personology Reference Guide. Ballantine Books, 1998.