APA (7th ed.) Citation

Gerber, C., & Wald, C. (2011). Annie Jump Cannon, astronomer. Pelican Pub..

Chicago Style (17th ed.) Citation

Gerber, Carole, and Christina Wald. Annie Jump Cannon, Astronomer. Gretna, La.: Pelican Pub., 2011.

MLA (8th ed.) Citation

Gerber, Carole, and Christina Wald. Annie Jump Cannon, Astronomer. Pelican Pub., 2011.

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