APA (7th ed.) Citation

Ackroyd, N., & Lorimer, R. (1990). Global navigation: A GPS userś guide (1. publ.). Lloyd.

Chicago Style (17th ed.) Citation

Ackroyd, Neil, and Robert Lorimer. Global Navigation: A GPS Userś Guide. 1. publ. London u.a: Lloyd, 1990.

MLA (9th ed.) Citation

Ackroyd, Neil, and Robert Lorimer. Global Navigation: A GPS Userś Guide. 1. publ. Lloyd, 1990.