APA (7th ed.) Citation

Ennals, J. R. (1983). Beginning micro-PROLOG. E. Horwood ; Heinemann Computers in Education Ltd. ; Distributed in the USA and Canada by Heinemann Educational Books.

Chicago Style (17th ed.) Citation

Ennals, J. R. Beginning Micro-PROLOG. Chichester : London : Exeter, N.H.: E. Horwood ; Heinemann Computers in Education Ltd. ; Distributed in the USA and Canada by Heinemann Educational Books, 1983.

MLA (8th ed.) Citation

Ennals, J. R. Beginning Micro-PROLOG. E. Horwood ; Heinemann Computers in Education Ltd. ; Distributed in the USA and Canada by Heinemann Educational Books, 1983.