APA (7th ed.) Citation

JACQUES, J., & SCHREIBER, S. (1981). The world challenge. Collins.

Chicago Style (17th ed.) Citation

JACQUES, Jean, and Servan SCHREIBER. The World Challenge. London: Collins, 1981.

MLA (9th ed.) Citation

JACQUES, Jean, and Servan SCHREIBER. The World Challenge. Collins, 1981.

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