APA (7th ed.) Citation

Ferris, B., & Toyne, P. (1970). World problems. Hulton Educational Publ.

Chicago Style (17th ed.) Citation

Ferris, Brian, and Peter Toyne. World Problems. London: Hulton Educational Publ, 1970.

MLA (9th ed.) Citation

Ferris, Brian, and Peter Toyne. World Problems. Hulton Educational Publ, 1970.

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