Cita APA (7th ed.)

Murphy, E. M., Osteria, T. S., & Pacheco, A. R. (1968). Four fertility surveys. J.M.C. Press.

Cita Chicago (17th ed.)

Murphy, Edmund M., Trinidad Sarao Osteria, i Antonio Romulo Pacheco. Four Fertility Surveys. Quezon City: J.M.C. Press, 1968.

Cita MLA (9th ed.)

Murphy, Edmund M., et al. Four Fertility Surveys. J.M.C. Press, 1968.