APA (7th ed.) Citation

Runner's World. (1984). Running after 40. Macmillan.

Chicago Style (17th ed.) Citation

Runner's World. Running After 40. New York: Macmillan, 1984.

MLA (9th ed.) Citation

Runner's World. Running After 40. Macmillan, 1984.

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