APA (7th ed.) Citation

(1971). Vol. 15, № 12, Attachment, Pat. 2, Rel. 1. 1971.

Chicago Style (17th ed.) Citation

Vol. 15, № 12, Attachment, Pat. 2, Rel. 1. 1971, 1971.

MLA (9th ed.) Citation

Vol. 15, № 12, Attachment, Pat. 2, Rel. 1. 1971, 1971.

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