R.L. Polk & Co. (1909). Spokane blue book (householders directory), nineteen hundred and nine: Private address directory, ladies' calling and shopping guide, churches, clubs, theatres, apartment houses, etc. Volume 1.. R.L. Polk & co..
Chicago Style (17th ed.) CitationR.L. Polk & Co. Spokane Blue Book (householders Directory), Nineteen Hundred and Nine: Private Address Directory, Ladies' Calling and Shopping Guide, Churches, Clubs, Theatres, Apartment Houses, Etc. Volume 1.. Spokane: R.L. Polk & co., 1909.
MLA引文R.L. Polk & Co. Spokane Blue Book (householders Directory), Nineteen Hundred and Nine: Private Address Directory, Ladies' Calling and Shopping Guide, Churches, Clubs, Theatres, Apartment Houses, Etc. Volume 1.. R.L. Polk & co., 1909.
警告：這些引文格式不一定是100％准確.