APA (7th ed.) Citation

Ashton, D. (1972). A closed, infinitely open universe.

Chicago Style (17th ed.) Citation

Ashton, Dore. A Closed, Infinitely Open Universe. 1972.

MLA (9th ed.) Citation

Ashton, Dore. A Closed, Infinitely Open Universe. 1972.

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