APA (7th ed.) Citation

Gaver, M. V. (1969). Patterns of development in elementary school libraries today: A five year report on emerging media centers (3rd ed.). Encyclopedia Britannica.

Chicago Style (17th ed.) Citation

Gaver, Mary Virginia. Patterns of Development in Elementary School Libraries Today: A Five Year Report on Emerging Media Centers. 3rd ed. [Chicago]: Encyclopedia Britannica, 1969.

MLA (9th ed.) Citation

Gaver, Mary Virginia. Patterns of Development in Elementary School Libraries Today: A Five Year Report on Emerging Media Centers. 3rd ed. Encyclopedia Britannica, 1969.