APA (7th ed.) Citation

(1971). Vol. 15, № 12, Attachment, Pat. 1, Rel. 1. 1971.

Chicago Style (17th ed.) Citation

Vol. 15, № 12, Attachment, Pat. 1, Rel. 1. 1971, 1971.

MLA (9th ed.) Citation

Vol. 15, № 12, Attachment, Pat. 1, Rel. 1. 1971, 1971.

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