APA (7th ed.) Citation

DIXON, F. (1970). THE HARDY BOYS: THE SHATTERED HELMET. GROSSET & DUNLAP.

Chicago Style (17th ed.) Citation

DIXON, FRANKLIN.W. THE HARDY BOYS: THE SHATTERED HELMET. USA: GROSSET & DUNLAP, 1970.

MLA (9th ed.) Citation

DIXON, FRANKLIN.W. THE HARDY BOYS: THE SHATTERED HELMET. GROSSET & DUNLAP, 1970.

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