APA Style

Wardhaugh, ronald. (1987). Language in competition: Dominance, diversity, and decline . Oxford: Basil Blackwell.

Chicago Style

Wardhaugh, ronald. Language in competition: Dominance, diversity, and decline. Oxford: Basil Blackwell, 1987. Text.

MLA Style

Wardhaugh, ronald. Language in competition: Dominance, diversity, and decline. Oxford: Basil Blackwell, 1987. Text.

Turabian Style

Wardhaugh, ronald. Language in competition: Dominance, diversity, and decline. Oxford: Basil Blackwell, 1987. Print.