APA (7th ed.) Citation

Porras Eduardo, Burgos Gabriela, Sosa Paola, zum Felde Thomas, & Centro Internacional de la Papa. Procedures for Sampling and Sample Preparation of Sweetpotato Roots and Potato Tubers for Mineral Analysis.

Chicago Style (17th ed.) Citation

Porras Eduardo, Burgos Gabriela, Sosa Paola, zum Felde Thomas, and Centro Internacional de la Papa. Procedures for Sampling and Sample Preparation of Sweetpotato Roots and Potato Tubers for Mineral Analysis.

MLA (9th ed.) Citation

Porras Eduardo, et al. Procedures for Sampling and Sample Preparation of Sweetpotato Roots and Potato Tubers for Mineral Analysis.

Warning: These citations may not always be 100% accurate.