APA (7th ed.) Citation

Shapley, A. H., & Lincoln, J. V. (1969). International geophysical calendars, 1957-1969. U.S. Dept. of Commerce, Environmental Science Services Administration, Environmental Data Service.

Chicago Style (17th ed.) Citation

Shapley, Alan H., and J. Virginia Lincoln. International Geophysical Calendars, 1957-1969. Asheville, N.C.: U.S. Dept. of Commerce, Environmental Science Services Administration, Environmental Data Service, 1969.

MLA (9th ed.) Citation

Shapley, Alan H., and J. Virginia Lincoln. International Geophysical Calendars, 1957-1969. U.S. Dept. of Commerce, Environmental Science Services Administration, Environmental Data Service, 1969.