APA (7th ed.) Citation

(1971). Vol. 4, № 4, part 2; Physical Review. Ser. A. 1971.

Chicago Style (17th ed.) Citation

Vol. 4, № 4, Part 2; Physical Review. Ser. A. 1971, 1971.

MLA (9th ed.) Citation

Vol. 4, № 4, Part 2; Physical Review. Ser. A. 1971, 1971.

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