APA aipamena

Websler C C, W. P. N. (1966). Agriculture in the tropics. E L B S.

Chicago Style aipamena

Websler C C, Wilson P N. Agriculture in the Tropics. London: E L B S, 1966.

MLA aipamena

Websler C C, Wilson P N. Agriculture in the Tropics. E L B S, 1966.