give in text citation in apa for the reference below

Crundwell, F, Moats, M, Ramachandran, V, Robinson, T, & Davenport, W.G. 2011, Extractive Metallurgy of Nickel, Cobalt and Platinum Group Metals, Elsevier Science, Oxford. Available from: ProQuest Ebook Central. [31 July 2017].

(Crundwell, Moats, Ramachandran, Robinson, & Davenport, 2011)

To provide an in-text citation in APA format for the given reference, you should follow the following format:

(Crundwell et al., 2011)

Please note that in the in-text citation, you only need to include the first author's last name followed by "et al." to indicate that there are additional authors.

If you are mentioning the authors' names in the text, the format would be:

Crundwell et al. (2011) stated...

Remember to include the full reference in your reference list at the end of your paper:

Crundwell, F., Moats, M., Ramachandran, V., Robinson, T., & Davenport, W. G. (2011). Extractive Metallurgy of Nickel, Cobalt and Platinum Group Metals. Oxford: Elsevier Science. Retrieved from ProQuest Ebook Central.