APA (7th ed.) Citation

Koster, P., & Shakespeare, W. (2017). Shakespeare's tragedies (British English edition.). Global ELT.

Chicago Style (17th ed.) Citation

Koster, Pieter, and William Shakespeare. Shakespeare's Tragedies. British English edition. [England]: Global ELT, 2017.

MLA (9th ed.) Citation

Koster, Pieter, and William Shakespeare. Shakespeare's Tragedies. British English edition. Global ELT, 2017.

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