APA citiranje

Sáenz, J. A., Nassar, M., & Sáenz Gómez, V. (1981). Phytochemical screening of Costa Rican plants: Alkaloid analysis. VI.

Citación estilo Chicago

Sáenz, J. A., Maryssia Nassar, y Vera Sáenz Gómez. Phytochemical Screening of Costa Rican Plants: Alkaloid Analysis. VI. 1981.

MLA citiranje

Sáenz, J. A., Maryssia Nassar, y Vera Sáenz Gómez. Phytochemical Screening of Costa Rican Plants: Alkaloid Analysis. VI. 1981.