APA (7th ed.) Citation

Ponťuchová, V., Bradáč, I., Healey, J. W., & Daniel, D. P. (1989). Strategies for English of Science. Opus.

Chicago Style (17th ed.) Citation

Ponťuchová, Viera, Ivan Bradáč, James W. Healey, and David P. Daniel. Strategies for English of Science. Bratislava: Opus, 1989.

MLA (9th ed.) Citation

Ponťuchová, Viera, et al. Strategies for English of Science. Opus, 1989.