APA (7th ed.) Citation

Pickering, H. S. (1977). The covalent bond. Wykeham Publ.

Chicago Style (17th ed.) Citation

Pickering, H. S. The Covalent Bond. London: Wykeham Publ, 1977.

MLA (9th ed.) Citation

Pickering, H. S. The Covalent Bond. Wykeham Publ, 1977.

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