APA (7th ed.) Citation

(1974). Vol. NS-21, № 1, Pat. 2. 1974.

Chicago Style (17th ed.) Citation

Vol. NS-21, № 1, Pat. 2. 1974, 1974.

MLA (9th ed.) Citation

Vol. NS-21, № 1, Pat. 2. 1974, 1974.

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