APA (7th ed.) Citation

(1969). Swimming pool age data & reference annual. Hoffman-Harris Inc..

Chicago Style (17th ed.) Citation

Swimming Pool Age Data & Reference Annual. Fort Lauderdale: Hoffman-Harris Inc., 1969.

MLA (9th ed.) Citation

Swimming Pool Age Data & Reference Annual. Hoffman-Harris Inc., 1969.

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