APA (7th ed.) Citation

Pechey, R. (1986). Focus on gas. Wayland(Publishers).

Chicago Style (17th ed.) Citation

Pechey, Roger. Focus on Gas. England: Wayland(Publishers), 1986.

MLA (9th ed.) Citation

Pechey, Roger. Focus on Gas. Wayland(Publishers), 1986.

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