APA (7th ed.) Citation

Samuels, G. (1969). Foliar diagnosis for sugarcane (1. ed.). [Univ. of Puerto Rico].

Chicago Style (17th ed.) Citation

Samuels, George. Foliar Diagnosis for Sugarcane. 1. ed. Rio Piedras: [Univ. of Puerto Rico], 1969.

MLA (9th ed.) Citation

Samuels, George. Foliar Diagnosis for Sugarcane. 1. ed. [Univ. of Puerto Rico], 1969.