APA
(1971). Guide to meteorological instrument and observing practices. [s.l.]: [s.n.].
Chicago
1971. Guide to meteorological instrument and observing practices. [s.l.]: [s.n.].
Harvard
(1971). Guide to meteorological instrument and observing practices. [s.l.]: [s.n.].
MLA
Guide to meteorological instrument and observing practices. [s.l.]: [s.n.]. 1971.