APA (7th ed.) Citation

WOOLARD, E. W., & CLEMENCE, G. M. (1966). Spherical astronomy. Academic Press.

Chicago Style (17th ed.) Citation

WOOLARD, Edgar W., and Gerald M. CLEMENCE. Spherical Astronomy. New York: Academic Press, 1966.

MLA (9th ed.) Citation

WOOLARD, Edgar W., and Gerald M. CLEMENCE. Spherical Astronomy. Academic Press, 1966.