APA (7th ed.) Citation

(1960). Publishers' International Year Book: World Directory of Book Publishers. Alexander P. Wales.

Chicago Style (17th ed.) Citation

Publishers' International Year Book: World Directory of Book Publishers. London: Alexander P. Wales, 1960.

MLA (9th ed.) Citation

Publishers' International Year Book: World Directory of Book Publishers. Alexander P. Wales, 1960.

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