APA Style
Heinrich, M. et al (2015).
Fundamentals of Pharmacognosy and Phytotherapy (2nd ed.).
Edinburg, UK:
Churchill Livingstone - Elsevier.
MLA Style
Heinrich, Michael. et al.
"Fundamentals of Pharmacognosy and Phytotherapy".
2nd ed.
Edinburg, UK:
Churchill Livingstone - Elsevier,
2015.
Text.