APA (7th ed.) Citation

(1970). Frederick Mortimer Clapp: 1879-1969. The Spiral Pr.

Chicago Style (17th ed.) Citation

Frederick Mortimer Clapp: 1879-1969. New York: The Spiral Pr, 1970.

MLA (9th ed.) Citation

Frederick Mortimer Clapp: 1879-1969. The Spiral Pr, 1970.

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