APA (7th ed.) Citation

Repka, R., & Berry, M. Berry, M: Introduction to Systemic Linguistics 1-2.

Chicago Style (17th ed.) Citation

Repka, Richard, and Margaret Berry. Berry, M: Introduction to Systemic Linguistics 1-2.

MLA (9th ed.) Citation

Repka, Richard, and Margaret Berry. Berry, M: Introduction to Systemic Linguistics 1-2.

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