Cita APA (7a ed.)

Elmer, A. D. E. (1906). Leaflets of Philippine botany. [publisher not identified].

Cita Chicago Style (17a ed.)

Elmer, A. D. E. Leaflets of Philippine Botany. Manila: [publisher not identified], 1906.

Cita MLA (9a ed.)

Elmer, A. D. E. Leaflets of Philippine Botany. [publisher not identified], 1906.