Source citation is fundamental, but it is not enough. The validity of any piece of evidence cannot be analyzed if its source is unknown. Research, evidence citation, and analysis are inseparable.
Evidence is the vehicle that moves our research from curiosity to reality.
Citation and analysis are the twin highways that get us smoothly there and safely. One look at the author's footnoted sample family group sheet and pedigree chart and you'll appreciate the necessity of proper citation of evidence. Elizabeth Shown Mills has long held the genealogy standard high. Indeed the gap between retelling amusing family stories and compiling scholarly family histories is facilitated by studying her work.