APA (7th ed.) Citation

Leather, B., Martin, T., & Bloom, W. (1991). Grammar / Bob Leather, Tony Martin and Wendy Bloom. M. Glasgow Publications.

Chicago Style (17th ed.) Citation

Leather, Bob, Tony Martin, and Wendy Bloom. Grammar / Bob Leather, Tony Martin and Wendy Bloom. London: M. Glasgow Publications, 1991.

MLA (9th ed.) Citation

Leather, Bob, et al. Grammar / Bob Leather, Tony Martin and Wendy Bloom. M. Glasgow Publications, 1991.

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