APA (7th ed.) Citation

EASTWOOD, J., & MACKIN, R. Basic english grammar: Spanish edition.

Chicago Style (17th ed.) Citation

EASTWOOD, John, and Ronald MACKIN. Basic English Grammar: Spanish Edition.

MLA (8th ed.) Citation

EASTWOOD, John, and Ronald MACKIN. Basic English Grammar: Spanish Edition.

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