APA (7th ed.) Citation

Thoughts of God for boys and girls & Welker, E. F. (1948). Thoughts of God for boys and girls: A book of family worship. Harper.

Chicago Style (17th ed.) Citation

Thoughts of God for boys and girls and Edith F. Welker. Thoughts of God for Boys and Girls: A Book of Family Worship. New York: Harper, 1948.

MLA (9th ed.) Citation

Thoughts of God for boys and girls and Edith F. Welker. Thoughts of God for Boys and Girls: A Book of Family Worship. Harper, 1948.