APA (7th ed.) Citation

Day, B. M., Evans, W., & Funk, H. (1953). An index on the weird & fantastica in magazines. B. M. Day.

Chicago Style (17th ed.) Citation

Day, Bradford M., William Evans, and Howard Funk. An Index on the Weird & Fantastica in Magazines. New York: B. M. Day, 1953.

MLA (9th ed.) Citation

Day, Bradford M., et al. An Index on the Weird & Fantastica in Magazines. B. M. Day, 1953.