APA (7th ed.) Citation

(1988). The NAVSTAR GPS system: ... a lecture series ... presented on 19 - 20 September 1988 in Wessling, Germany, on 22 - 23 September 1988 in Athens, Greece, on 26 - 27 September 1988 in Ankara, Turkey and 29 - 30 September 1988 in Lisbon, Portugal.

Chicago Style (17th ed.) Citation

The NAVSTAR GPS System: ... a Lecture Series ... Presented on 19 - 20 September 1988 in Wessling, Germany, on 22 - 23 September 1988 in Athens, Greece, on 26 - 27 September 1988 in Ankara, Turkey and 29 - 30 September 1988 in Lisbon, Portugal. Neuilly-sur-Seine, 1988.

MLA (9th ed.) Citation

The NAVSTAR GPS System: ... a Lecture Series ... Presented on 19 - 20 September 1988 in Wessling, Germany, on 22 - 23 September 1988 in Athens, Greece, on 26 - 27 September 1988 in Ankara, Turkey and 29 - 30 September 1988 in Lisbon, Portugal. 1988.