I have found two different citations.
Lainhart, Ann Smith. Mayflower Families through Five Generations, Volume 23, Part 1, Family of John Howland, General Society of Mayflower Descendents, Plymouth, MA., 2004.
Mayflower Families Through Five Generations, vol. 23, part 2, Family of John Howland, Ann Smith Lainhart, and Jane Fletcher Fiske, published by the General Society of Mayflower Descendants, 2010, p. 118-120.