APA (7th ed.) Citation

Pacific Northwest Library Association. Reference Division & Harris, P. M. (1961). Who's who among Pacific Northwest authors: First supplement. Pacific Northwest Library Assoc..

Chicago Style (17th ed.) Citation

Pacific Northwest Library Association. Reference Division and Phoebe M. Harris. Who's Who Among Pacific Northwest Authors: First Supplement. [Seattle?]: Pacific Northwest Library Assoc., 1961.

MLA (8th ed.) Citation

Pacific Northwest Library Association. Reference Division and Phoebe M. Harris. Who's Who Among Pacific Northwest Authors: First Supplement. Pacific Northwest Library Assoc., 1961.

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