APA (7th ed.) Citation

Boucher, C., Altamimi, Z., & Sillard, P. (1999). The 1997 International Terrestrial Reference Frame (ITRF97). Central Bureau of IERS.

Chicago Style (17th ed.) Citation

Boucher, C., Z. Altamimi, and P. Sillard. The 1997 International Terrestrial Reference Frame (ITRF97). Paris: Central Bureau of IERS, 1999.

MLA (9th ed.) Citation

Boucher, C., et al. The 1997 International Terrestrial Reference Frame (ITRF97). Central Bureau of IERS, 1999.