APA način citiranja

Otárola, A., Whitmore, J., & Salazar Figueroa, R. (1976). Analyses of twelve plantations of Toona ciliata in Turrialba, Costa Rica.

Čikaški stil citiranja

Otárola, Augusto, J.L Whitmore, i Rodolfo Salazar Figueroa. Analyses of Twelve Plantations of Toona Ciliata in Turrialba, Costa Rica. 1976.

MLA način citiranja

Otárola, Augusto, J.L Whitmore, i Rodolfo Salazar Figueroa. Analyses of Twelve Plantations of Toona Ciliata in Turrialba, Costa Rica. 1976.