APA (7th ed.) Citation

(2010). Greater Portland street map book: Accurate, current, easy to use (6th ed.). G. M. Johnson.

Chicago Style (17th ed.) Citation

Greater Portland Street Map Book: Accurate, Current, Easy to Use. 6th ed. Burnaby, BC: G. M. Johnson, 2010.

MLA (9th ed.) Citation

Greater Portland Street Map Book: Accurate, Current, Easy to Use. 6th ed. G. M. Johnson, 2010.

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