Sheppard, D. (1977). Ways in which school crossing patrols instruct children about crossing roads. Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationSheppard, D. Ways in Which School Crossing Patrols Instruct Children About Crossing Roads. Crowthorne, Eng.: Transport and Road Research Laboratory, 1977.
MLA (9th ed.) CitationSheppard, D. Ways in Which School Crossing Patrols Instruct Children About Crossing Roads. Transport and Road Research Laboratory, 1977.
Warning: These citations may not always be 100% accurate.