Cita APA (7a ed.)

Hennessey, J. J. (1956). The planet Earth: General program and Philippine participation in the International Geophysical Year. Philippine Studies : A Quarterly.

Cita Chicago Style (17a ed.)

Hennessey, James J. "The Planet Earth: General Program and Philippine Participation in the International Geophysical Year." Philippine Studies : A Quarterly 1956.

Cita MLA (9a ed.)

Hennessey, James J. "The Planet Earth: General Program and Philippine Participation in the International Geophysical Year." Philippine Studies : A Quarterly, 1956.