APA Edition Citation

Corrigan, P. R. D. (1967). Introduction to Sears list of subject headings.

Chicago Edition Citation

Corrigan, Philip R. D. Introduction to Sears List of Subject Headings. 1967.

MLA Edition Citation

Corrigan, Philip R. D. Introduction to Sears List of Subject Headings. 1967.

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