APA (7th ed.) Citation

Ollikainen, M. (1977). Astronomical determinations of latitude and longitude in 1972 - 1975.

Chicago Style (17th ed.) Citation

Ollikainen, Matti. Astronomical Determinations of Latitude and Longitude in 1972 - 1975. Helsinki, 1977.

MLA (9th ed.) Citation

Ollikainen, Matti. Astronomical Determinations of Latitude and Longitude in 1972 - 1975. 1977.

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