APA (7th ed.) Citation

PAFEC & PIGS. (1970). PIGS user manual. PAFEC Ltd.

Chicago Style (17th ed.) Citation

PAFEC and PIGS. PIGS User Manual. Nottingham: PAFEC Ltd, 1970.

MLA (9th ed.) Citation

PAFEC and PIGS. PIGS User Manual. PAFEC Ltd, 1970.

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