APA (7th ed.) Citation

Stevens, N. (1998). Aloe Vera (2a ed.). Sirio.

Chicago Style (17th ed.) Citation

Stevens, Neil. Aloe Vera. 2a ed. Málaga [etc.]: Sirio, 1998.

MLA (9th ed.) Citation

Stevens, Neil. Aloe Vera. 2a ed. Sirio, 1998.

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