APA (7th ed.) Citation

Helfer, H. L., & Wallerstein, G. (1964). Abundances in K giant stars. Univ. of Chicago Pr.

Chicago Style (17th ed.) Citation

Helfer, H. L., and George Wallerstein. Abundances in K Giant Stars. Chicago, Ill: Univ. of Chicago Pr, 1964.

MLA (9th ed.) Citation

Helfer, H. L., and George Wallerstein. Abundances in K Giant Stars. Univ. of Chicago Pr, 1964.

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