Cita APA (7th ed.)

Selected and arranged by E, A., & Gaither, C. (2001). Naturally speaking: A dictionary of quotations on biology,. IOP.

Cita Chicago (17th ed.)

Selected and arranged by E, Alma, i Cavazos Gaither. Naturally Speaking: A Dictionary of Quotations on Biology,. London: IOP, 2001.

Cita MLA (9th ed.)

Selected and arranged by E, Alma, i Cavazos Gaither. Naturally Speaking: A Dictionary of Quotations on Biology,. IOP, 2001.