Diving manual for instructors,
by Sidney C. Hazelton [and] Clifford A. Pulis.
APA Citation
Hazelton, S. C., Pulis, C. A.. (1956). Diving manual for instructors. 4th ed. Hanover, N.H.: Lithographed by R.E. Burt.
MLA Citation
Hazelton, Sidney C., 1888-, and Clifford A. Pulis. Diving Manual for Instructors. 4th ed. Hanover, N.H.: Lithographed by R.E. Burt, 1956.
Warning: These citations may not always be complete (especially for serials).