APA (7th ed.) Citation

Young, K. (1966). Texas Mojsisovicziinae (Ammonoidea) and the zonation of the Fredericksburg. Geological Society of America.

Chicago Style (17th ed.) Citation

Young, Keith. Texas Mojsisovicziinae (Ammonoidea) and the Zonation of the Fredericksburg. [New York]: Geological Society of America, 1966.

MLA (9th ed.) Citation

Young, Keith. Texas Mojsisovicziinae (Ammonoidea) and the Zonation of the Fredericksburg. Geological Society of America, 1966.