APA (7th ed.) Citation

(1968). Index. Part 2; Physical Review. Second Series. 1968.

Chicago Style (17th ed.) Citation

Index. Part 2; Physical Review. Second Series. 1968, 1968.

MLA (9th ed.) Citation

Index. Part 2; Physical Review. Second Series. 1968, 1968.

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