APA (7th ed.) Citation

Clarke, D. H., & Clarke, H. H. (1970). Research processes in physical education, recreation and health / by D.H. Clarke and H. Clarke. Clarke.

Chicago Style (17th ed.) Citation

Clarke, D. H., and H. H. Clarke. Research Processes in Physical Education, Recreation and Health / by D.H. Clarke and H. Clarke. Clarke, 1970.

MLA (9th ed.) Citation

Clarke, D. H., and H. H. Clarke. Research Processes in Physical Education, Recreation and Health / by D.H. Clarke and H. Clarke. Clarke, 1970.

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