APA (7th ed.) Citation

(1968). Vol. 218, № 3; Scientific American. 1968.

Chicago Style (17th ed.) Citation

Vol. 218, № 3; Scientific American. 1968, 1968.

MLA (9th ed.) Citation

Vol. 218, № 3; Scientific American. 1968, 1968.

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