APA
Broun John Allan, . (1874). Observations of magnetic declination made at Trivandrum and Agustia Malley...in the year 1852-1869 being Trivandrum magn. : .
Chicago
Broun John Allan, . 1874. Observations of magnetic declination made at Trivandrum and Agustia Malley...in the year 1852-1869 being Trivandrum magn. : .
Harvard
Broun John Allan, . (1874). Observations of magnetic declination made at Trivandrum and Agustia Malley...in the year 1852-1869 being Trivandrum magn. : .
MLA
Broun John Allan, . Observations of magnetic declination made at Trivandrum and Agustia Malley...in the year 1852-1869 being Trivandrum magn. : . 1874.