APA (7th ed.) Citation

Traditional Cosmology Society & Duff-Cooper, A. (1990). Contests. Cosmos.

Chicago Style (17th ed.) Citation

Traditional Cosmology Society and Andrew Duff-Cooper. "Contests." Cosmos 1990.

MLA (8th ed.) Citation

Traditional Cosmology Society and Andrew Duff-Cooper. "Contests." Cosmos, 1990.

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