APA (7th ed.) Citation

Melchior, P. J. (1989). Trans world tidal gravity profiles II (West Africa and South America). Observatoire royal de Belgique.

Chicago Style (17th ed.) Citation

Melchior, Paul J. Trans World Tidal Gravity Profiles II (West Africa and South America). [Brussels]: Observatoire royal de Belgique, 1989.

MLA (9th ed.) Citation

Melchior, Paul J. Trans World Tidal Gravity Profiles II (West Africa and South America). Observatoire royal de Belgique, 1989.