APA (7th ed.) Citation

Beard, J. H., & Hodgson, P. G. (1981). Concepts in chemistry: A text for students in Papua New Guinea. University of Papua New Guinea.

Chicago Style (17th ed.) Citation

Beard, John H., and Peter G. Hodgson. Concepts in Chemistry: A Text for Students in Papua New Guinea. Port Moresby: University of Papua New Guinea, 1981.

MLA (9th ed.) Citation

Beard, John H., and Peter G. Hodgson. Concepts in Chemistry: A Text for Students in Papua New Guinea. University of Papua New Guinea, 1981.