APA (7th ed.) Citation

(1968). Periodical classes: Classified listing by call number, alphabetical listing by title. Harvard Univ. Press.

Chicago Style (17th ed.) Citation

Periodical Classes: Classified Listing by Call Number, Alphabetical Listing by Title. Cambridge, Mass: Harvard Univ. Press, 1968.

MLA (9th ed.) Citation

Periodical Classes: Classified Listing by Call Number, Alphabetical Listing by Title. Harvard Univ. Press, 1968.

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