APA Edition Citation

Hartley, C. (1977). Oil Palm (2nd ed.). Longman.

Chicago Edition Citation

Hartley, Cws. Oil Palm. 2nd ed. London: Longman, 1977.

MLA Edition Citation

Hartley, Cws. Oil Palm. 2nd ed. Longman, 1977.

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