Cita APA (7th ed.)

Bogue, D. J., & Bogue, E. J. (1980). Comparative birth interval analysis. Community and Family Study Center, University of Chicago.

Cita Chicago (17th ed.)

Bogue, Donald Joseph, i Elizabeth J. Bogue. Comparative Birth Interval Analysis. Chicago, Ill: Community and Family Study Center, University of Chicago, 1980.

Cita MLA (9th ed.)

Bogue, Donald Joseph, i Elizabeth J. Bogue. Comparative Birth Interval Analysis. Community and Family Study Center, University of Chicago, 1980.