APA (7th ed.) Citation
(1977). <The> world of learning 1977-78 (28th ed.). Europa Pub.
Chicago Style (17th ed.) Citation
<The> World of Learning 1977-78. 28th ed. London: Europa Pub, 1977.
MLA (9th ed.) Citation
<The> World of Learning 1977-78. 28th ed. Europa Pub, 1977.
Warning: These citations may not always be 100% accurate.