APA (7th ed.) Citation

Henderson, S., & Gray, J. (1993). Discovering English: Teacher's book. Mladé letá.

Chicago Style (17th ed.) Citation

Henderson, Susan, and Joanna Gray. Discovering English: Teacher's Book. Bratislava: Mladé letá, 1993.

MLA (9th ed.) Citation

Henderson, Susan, and Joanna Gray. Discovering English: Teacher's Book. Mladé letá, 1993.