APA Citation

Penny, S. M. a. A. Macmillan tropical and sub-tropical. Macmillan Publishers.

Chicago Style Citation

Penny, Susan Mayhew and Anne. Macmillan Tropical and Sub-tropical. Macmillan Publishers.

MLA Citation

Penny, Susan Mayhew and Anne. Macmillan Tropical and Sub-tropical. Macmillan Publishers.

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