APA (7th ed.) Citation

Wellman, F. E., Bell, H. G., & Hodgkiss, J. W. (1968). The protective gear handbook (2nd ed.). Pitman.

Chicago Style (17th ed.) Citation

Wellman, F. E., Hugh Glover Bell, and J. W. Hodgkiss. The Protective Gear Handbook. 2nd ed. London: Pitman, 1968.

MLA (8th ed.) Citation

Wellman, F. E., et al. The Protective Gear Handbook. 2nd ed. Pitman, 1968.